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@article{DE_1972_8_7_a21, author = {V. A. Ptichkin}, title = {A linearized method of determining the general solution of a finite equation}, journal = {Differencialʹnye uravneni\^a}, pages = {1320--1322}, publisher = {mathdoc}, volume = {8}, number = {7}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1972_8_7_a21/} }
V. A. Ptichkin. A linearized method of determining the general solution of a finite equation. Differencialʹnye uravneniâ, Tome 8 (1972) no. 7, pp. 1320-1322. http://geodesic.mathdoc.fr/item/DE_1972_8_7_a21/