%0 Journal Article %A M. E. Bogovskii %A V. N. Maslennikova %A Zh. A. Uèrdian %T A boundary value problem with discontinuous boundary conditions in %J Doklady Akademii Nauk %D 1991 %P 1037-1041 %V 318 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_318_5_a1/ %G ru %F DAN_1991_318_5_a1