Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1969_5_1_a6, author = {V. Kh. Froim}, title = {Regular matrix partial differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {100--107}, publisher = {mathdoc}, volume = {5}, number = {1}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1969_5_1_a6/} }
V. Kh. Froim. Regular matrix partial differential equations. Differencialʹnye uravneniâ, Tome 5 (1969) no. 1, pp. 100-107. http://geodesic.mathdoc.fr/item/DE_1969_5_1_a6/