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@article{DE_1969_5_4_a2, author = {P. B. Golokvoschyus}, title = {The integral matrix of a certain system of differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {626--640}, publisher = {mathdoc}, volume = {5}, number = {4}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1969_5_4_a2/} }
P. B. Golokvoschyus. The integral matrix of a certain system of differential equations. Differencialʹnye uravneniâ, Tome 5 (1969) no. 4, pp. 626-640. http://geodesic.mathdoc.fr/item/DE_1969_5_4_a2/