ON THE EQUALIZATION OF TRAVEL TIMES OF SEISMIC WAVES.GUR'JANOV VM.1969; IZVEST. ACAD. SCI. U.S.S.R., PHYS. SOLID EARTH; USA; 1969(10), NUM. 0010, P. 650 A 652Miscellaneous

LISSAGE DES HODOGRAPHES DES ONDES SISMIQUES.GUR'JANOV VM.1969; IZVEST. AKAD. NAUK S.S.S.R., FIZ. ZEMLI; SUN; 1969(10), NUM. 0010, P. 70 A 73Miscellaneous

THE INVERSE GEOMETRICAL-SEISMOLOGY PROBLEM FOR REFLECTED WAVES WITH VELOCITY DEPENDING ON TWO VARIABLES.GUR'JANOV VM.1968; IZVEST. ACAD. SCI. U.S.S.R., PHYS. SOLID EARTH; USA; 1968(5), NUM. 0005, P. 296 A 300Miscellaneous