Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1995_342_2_a0, author = {A. V. Aksenov}, title = {Symmetries of linear partial differential equations, and}, journal = {Doklady Akademii Nauk}, pages = {151--153}, publisher = {mathdoc}, volume = {342}, number = {2}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1995_342_2_a0/} }
A. V. Aksenov. Symmetries of linear partial differential equations, and. Doklady Akademii Nauk, Tome 342 (1995) no. 2, pp. 151-153. http://geodesic.mathdoc.fr/item/DAN_1995_342_2_a0/