| Affiliation: | (1) All-Union Scientific-Researeh Institute of Abrasives and Grinding, Leningrad;(2) Physicomechanical Institute, Academy of Sciences of the Ukrainian SSR, L'vov;(3) Perm' State University, USSR;(4) L'vov Agricultural Institute, USSR;(5) L'vov Mathematical-Physics Branch Institute of Mathematics, Academy of Sciences of the Ukrainian SSR, USSR;(6) K. D. Ushinskii Odessa Teacher's Institute, USSR;(7) Khmel'nitskii Technological Institute of Domestic Services, USSR;(8) Institute of Cybernetics, Academy of Sciences of the Georgian SSR, Tbilisi |
