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@article{DE_1973_9_3_a15, author = {V. Kh. Froim}, title = {Linear scalar partial differential equations with regular singularities on a hyperplane}, journal = {Differencialʹnye uravneni\^a}, pages = {533--541}, publisher = {mathdoc}, volume = {9}, number = {3}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_3_a15/} }
V. Kh. Froim. Linear scalar partial differential equations with regular singularities on a hyperplane. Differencialʹnye uravneniâ, Tome 9 (1973) no. 3, pp. 533-541. http://geodesic.mathdoc.fr/item/DE_1973_9_3_a15/