TY - JOUR AU - I. E. Mikhaǐlov TI - The necessary conditions for the optimality of three-dimensional bodies in a supersonic gas flow JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1987 SP - 1111 EP - 1114 VL - 27 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1987_27_7_a17/ LA - ru ID - ZVMMF_1987_27_7_a17 ER -