TY - JOUR AU - S. M. Aseev TI - Surface set-valued functions and the integration of multivalued mappings JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1988 SP - 54 EP - 59 VL - 185 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1988_185_a2/ LA - ru ID - TM_1988_185_a2 ER -