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@article{DAN_1974_218_1_a2, author = {V. V. Katrakhov}, title = {On the theory of partial differential equations with singular coefficients}, journal = {Doklady Akademii Nauk}, pages = {17--20}, publisher = {mathdoc}, volume = {218}, number = {1}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_218_1_a2/} }
V. V. Katrakhov. On the theory of partial differential equations with singular coefficients. Doklady Akademii Nauk, Tome 218 (1974) no. 1, pp. 17-20. http://geodesic.mathdoc.fr/item/DAN_1974_218_1_a2/