Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1962_145_4_a6, author = {I. F. Kushnirchuk}, title = {On a partial differential equation of higher order}, journal = {Doklady Akademii Nauk}, pages = {727--730}, publisher = {mathdoc}, volume = {145}, number = {4}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_145_4_a6/} }
I. F. Kushnirchuk. On a partial differential equation of higher order. Doklady Akademii Nauk, Tome 145 (1962) no. 4, pp. 727-730. http://geodesic.mathdoc.fr/item/DAN_1962_145_4_a6/