TY - JOUR AU - A. A. Davydov AU - V. M. Zakalyukin TI - The coincidence of generic singularities of solutions of extremal problems with constraints JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 1999 SP - 118 EP - 143 VL - 64 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_1999_64_a4/ LA - ru ID - INTO_1999_64_a4 ER -