Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1974_10_5_a8, author = {A. A. Reinfeld}, title = {A reduction theorem}, journal = {Differencialʹnye uravneni\^a}, pages = {838--843}, publisher = {mathdoc}, volume = {10}, number = {5}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1974_10_5_a8/} }
A. A. Reinfeld. A reduction theorem. Differencialʹnye uravneniâ, Tome 10 (1974) no. 5, pp. 838-843. http://geodesic.mathdoc.fr/item/DE_1974_10_5_a8/