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@article{DAN_1976_226_5_a3, author = {L. A. Ivanov}, title = {The {Cauchy--Kovalevskaja} theorem for equations with singularities}, journal = {Doklady Akademii Nauk}, pages = {1005--1008}, publisher = {mathdoc}, volume = {226}, number = {5}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_226_5_a3/} }
L. A. Ivanov. The Cauchy--Kovalevskaja theorem for equations with singularities. Doklady Akademii Nauk, Tome 226 (1976) no. 5, pp. 1005-1008. http://geodesic.mathdoc.fr/item/DAN_1976_226_5_a3/