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An extended Harry Dym hierarchyMA, Wen-Xiu.Journal of physics. A, Mathematical and theoretical (Print). 2010, Vol 43, Num 16, issn 1751-8113, 165202.1-165202.13Article

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Asymptotics and deficiency indices for certain pairs of differential operatorsBRAAKSMA, B. L. J.Proceedings of the Royal Society of Edinburgh. Section A. Mathematics. 1984, Vol 97, pp 43-58, issn 0308-2105Article

Regularly solvable extensions of non-self-adjoint ordinary differential operatorsEVANS, W. D.Proceedings of the Royal Society of Edinburgh. Section A. Mathematics. 1984, Vol 97, pp 79-95, issn 0308-2105Article

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Physics from the G-bundle viewpointBLEECKER, D. D.International journal of theoretical physics. 1984, Vol 23, Num 8, pp 735-750, issn 0020-7748Article

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The viscoelastic constitutive differential operator law in terms of the relaxation and retardation spectraBLANC, R. H.Rheologica acta. 1988, Vol 27, Num 5, pp 482-486, issn 0035-4511Article

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On some classes of non-hypoelliptic second order partial differential operatorsAKAMATSU, T.Osaka Journal of Mathematics. 1988, Vol 25, Num 1, pp 71-104, issn 0030-6126Article