%0 Journal Article %A L. A. Bagirov %T Smoothness of weak solutions of boundary-value problems for equations of Chaplygin type %J Matematičeskie zametki %D 1988 %P 298-308 %V 44 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1988_44_3_a1/ %G ru %F MZM_1988_44_3_a1