%0 Journal Article
%A Lędzewicz-Kowalewska, Urszula
%T The extremum principle for problems of optimal control with mixed constraints
%J Acta Universitatis Lodziensis. Folia Mathematica
%D 1987
%V 02
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AULFM_1987_02_a5/
%G pl
%F AULFM_1987_02_a5