Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1982_18_8_a22, author = {M. V. Kozhero}, title = {Normal bases of solutions of multidimensional linear differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1460--1463}, publisher = {mathdoc}, volume = {18}, number = {8}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1982_18_8_a22/} }
M. V. Kozhero. Normal bases of solutions of multidimensional linear differential equations. Differencialʹnye uravneniâ, Tome 18 (1982) no. 8, pp. 1460-1463. http://geodesic.mathdoc.fr/item/DE_1982_18_8_a22/