by Viktor Ivanovič Erofeev , I︠U︡. P. Merkushov , Vladimir Ivanovich Pershikov , Aleksandr Pavlovich Sokolov
Z. P. Vostrikova
S. V. Nazarov
International Centre for Scientific and Technical Information.
Zaĭt͡seva, Zh. N.
M. I. Egorov
V. N. Orlov