%0 Journal Article
%A Ewert 

 Janina
%A Lipski Tadeusz
%T On S – quasi – continuous 

 multivalued maps
%J Novi Sad Journal of Mathematics
%D 1990
%P 167-183
%V 20
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NSJOM_1990_20_1a_17/
%F NSJOM_1990_20_1a_17