TY - JOUR AU - V. I. Berdyshev TI - Continuity of a multivalued mapping connected with the problem of minimizing a functional JO - Izvestiya. Mathematics PY - 1981 SP - 431 EP - 456 VL - 16 IS - 3 UR - http://geodesic.mathdoc.fr/item/IM2_1981_16_3_a0/ LA - en ID - IM2_1981_16_3_a0 ER -