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@article{DAN_1966_170_2_a12, author = {M. I. Freidlin}, title = {Formulation of boundary value problems for degenerating elliptic equations}, journal = {Doklady Akademii Nauk}, pages = {282--285}, publisher = {mathdoc}, volume = {170}, number = {2}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_170_2_a12/} }
M. I. Freidlin. Formulation of boundary value problems for degenerating elliptic equations. Doklady Akademii Nauk, Tome 170 (1966) no. 2, pp. 282-285. http://geodesic.mathdoc.fr/item/DAN_1966_170_2_a12/