%0 Journal Article %A M. I. Freidlin %T Formulation of boundary value problems for degenerating elliptic equations %J Doklady Akademii Nauk %D 1966 %P 282-285 %V 170 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_170_2_a12/ %G ru %F DAN_1966_170_2_a12