by KARADZEV VYIASNEDZLAV N,SU, SNEKMAREV ALVERT A,SU, NIKIFORUK VLADIMIR R,SU, VEDZDZARAV DZERGEYI I,SU, VERKNOVDZKIYI ALEKDZANDR V,SU, KOVALDZNIN DZTERAN R,SU, VYIATKIN MIKNAIL G,SU, MAMEDOV AMIR N,SU
Year of Publication 07.01.1991