TY - JOUR AU - S. M. Aseev TI - Surface set-valued functions and the integration of multivalued mappings JO - Informatics and Automation PY - 1988 SP - 54 EP - 59 VL - 185 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1988_185_a2/ LA - ru ID - TRSPY_1988_185_a2 ER -