%0 Journal Article %A S. M. Aseev %T Surface set-valued functions and the integration of multivalued mappings %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1988 %P 54-59 %V 185 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1988_185_a2/ %G ru %F TM_1988_185_a2