by PODSUKHIN V.G.,SU, SAVOSTIKOV V.M.,SU, KRICHKOV V.P.,SU
Year of Publication 30.08.1992

by PODSUKHIN V.G.,SU, BIBIKOV V.L.,SU, TEPLOUKHOV V.L.,SU, SAVOSTIKOV V.M.,SU, PANIN V.E.,SU
Year of Publication 30.03.1993