%0 Journal Article %A A. Dzhuraev %T On the formulation of boundary value problems for nonclassical systems %J Doklady Akademii Nauk %D 1981 %P 1293-1298 %V 258 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_258_6_a1/ %G ru %F DAN_1981_258_6_a1