Modular invariance for closed strings at the new critical dimensionsBILAL, A; GERVAIS, J.-L.Physics letters. Section B. 1987, Vol 187, Num 1-2, pp 39-44, issn 0370-2693Article

The spin structure construction of string models and multi-loop modular invarianceKAWAI, H; LEWELLEN, D. C; SCHWARTZ, J. A et al.Nuclear physics. B. 1988, Vol 299, Num 3, pp 431-470, issn 0550-3213Article

Modular invariance and anomalies in lower dimensional superstring theoriesHOLMAN, R; KEPHART, T. W.Physics letters. Section B. 1988, Vol 202, Num 1, pp 89-93, issn 0370-2693Article

Modular invariance of one-loop N-point amplitudes in heterotic string theoryYAHIKOZAWA, S.Nuclear physics. B. 1987, Vol 291, Num 2, pp 369-391, issn 0550-3213Article

Unitarity and modular invariance as constraints on four-dimension superstringsBLUHM, R; DOLAN, L; GODDARD, P et al.Nuclear physics. B. 1988, Vol 309, Num 2, pp 330-360, issn 0550-3213Article

Modular invariance of the thermo-partition function and global phase structure of the heterotic stringO'BRIEN, K. H; TAN, C.-I.Physical review. D. Particles and fields. 1987, Vol 36, Num 4, pp 1184-1192, issn 0556-2821Article

Modular invariants of N=2 supersymmetric SU(1, 1) modelsHUITU, K.Physics letters. Section B. 1993, Vol 313, Num 1-2, pp 75-82, issn 0370-2693Article

Target space modular invariance and low-energy couplings in orbifold compactificationsFERRARA, S; LÜST, D; THEISEN, S et al.Physics letters. Section B. 1989, Vol 233, Num 1-2, pp 147-152, issn 0370-2693Article

Modular invariance in superconformal modelsKASTOR, D.Nuclear physics. B. 1987, Vol 280, Num 2, pp 304-320, issn 0550-3213Article

Realizations of the exceptional modular invariant A₁⁽¹⁾ partition functionsBOUWKNEGT, p; NAHM, W.Physics letters. Section B. 1987, Vol 184, Num 4, pp 359-362, issn 0370-2693Article

Multiloop modular invariance in spontaneously broken superstringsFERRARA, S; KOUNNAS, C; PORRATI, M et al.Physics letters. Section B. 1987, Vol 197, Num 1-2, pp 135-138, issn 0370-2693Article

Multiloop modular invariance of the covariant lattice construction of fermionic stringsSCHELLEKENS, A. N.Physics letters. Section B. 1987, Vol 199, Num 3, pp 427-431, issn 0370-2693Article

Holomorphic structure of multiloop amplitudes in the superstring theoryDANILOV, G. S.Classical and quantum gravity (Print). 1994, Vol 11, Num 9, pp 2155-2161, issn 0264-9381Article

Modular invariant twisted stringsCHAMSEDDINE, A. H; DERENDINGER, J.-P; QUIROS, M et al.Physics letters. Section B. 1989, Vol 227, Num 1, pp 41-48, issn 0370-2693Article

Modular invariance and covariant loop calculusPETERSEN, J. L; ROLAND, K. O; SIDENIUS, J. R et al.Physics letters. Section B. 1988, Vol 205, Num 2-3, pp 262-266, issn 0370-2693Article

Cosmological constant versus free energy for heterotic stringsALVAREZ, E; OSORIO, M. A. R.Nuclear physics. B. 1988, Vol 304, Num 2, pp 327-347, issn 0550-3213Article

New orbifold model and modular transformationSENDA, I; SUGAMOTO, A.Physics letters. Section B. 1988, Vol 211, Num 3, pp 308-314, issn 0370-2693Article

Orbifold models and modular transformationSENDA, I; SUGAMOTO, A.Nuclear physics. B. 1988, Vol 302, Num 2, pp 291-329, issn 0550-3213Article

Constraints on asymmetric orbifoldsGIVEON, A.Physics letters. Section B. 1987, Vol 197, Num 3, pp 347-350, issn 0370-2693Article

Anomalies and modular invariance in string theorySCHELLEKENS, A. N; WARNER, N. P.Physics letters. Section B. 1986, Vol 177, Num 3-4, pp 317-323, issn 0370-2693Article

Modular invariance Chiral anomalies and contact termsKUTASOV, D.Nuclear physics. B. 1988, Vol 307, Num 2, pp 417-444, issn 0550-3213Article

Modular-invariant closed-string field theoryKAKU, M; LYKKEN, J.Physical review. D. Particles and fields. 1988, Vol 38, Num 10, pp 3067-3086, issn 0556-2821Article

Modular invariance in string field theoryGIDDINGS, S. B; MARTINEC, E; WITTEN, E et al.Physics letters. Section B. 1986, Vol 176, Num 3-4, pp 362-368, issn 0370-2693Article

Remark on Witten's modular formsBRYLINSKI, J.-L.Proceedings of the American Mathematical Society. 1989, Vol 105, Num 3, pp 773-775, issn 0002-9939Article

Modular invariance of twisted string theories on group manifoldsWEI CHEN; CHAO-SHANG HUANG; WEI-DONG ZHAO et al.Physics letters. Section B. 1988, Vol 201, Num 1, pp 54-58, issn 0370-2693Article