%0 Journal Article %A E. E. Borisenko %T A remark on a lemma from Filippov's article on differential inclusions %J Čebyševskij sbornik %D 2021 %P 448-452 %V 22 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2021_22_3_a27/ %G ru %F CHEB_2021_22_3_a27