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@article{DE_1967_3_8_a7, author = {A. I. Reizi\c{n}\v{s}}, title = {Classification of the singular points of linear systems of total differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1282--1291}, publisher = {mathdoc}, volume = {3}, number = {8}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1967_3_8_a7/} }
A. I. Reiziņš. Classification of the singular points of linear systems of total differential equations. Differencialʹnye uravneniâ, Tome 3 (1967) no. 8, pp. 1282-1291. http://geodesic.mathdoc.fr/item/DE_1967_3_8_a7/