TY  - JOUR
AU  - I. B. Vapnyarskii
TI  - An existence theorem for optimal control in the Boltz problem, some of its applications and the necessary conditions for the optimality of moving and singular systems
JO  - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
PY  - 1967
SP  - 259
EP  - 283
VL  - 7
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZVMMF_1967_7_2_a1/
LA  - ru
ID  - ZVMMF_1967_7_2_a1
ER  -