00259nam a22000857a 4500 231205s1974 ru ||||| |||| 00| 0 fre d Pontriaguine, L. 284329 Theorie mathematique des processus optimaux / L. Pontriaguine. M., 1974. 0 4 udc 0 0 640900 CPL CPL GEN 2023-12-05 0 2023-565001953443257 2023-12-05 12:08:10 2E19814 2023-12-05 BK 722931 722929