%0 Journal Article %A Jarník, Jiří %T Multivalued mappings and Filippov's operation %J Czechoslovak Mathematical Journal %D 1981 %P 275-288 %V 31 %N 2 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1981.101742/ %R 10.21136/CMJ.1981.101742 %G en %F 10_21136_CMJ_1981_101742