%0 Journal Article %A Ligęza, Jan %T Applications of the smooth integral in the theory of weak solutions of ordinary differential equations %J Časopis pro pěstování matematiky %D 1989 %P 113-132 %V 114 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1989.108710/ %R 10.21136/CPM.1989.108710 %G en %F 10_21136_CPM_1989_108710