Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1961_139_1_a2, author = {V. V. Grushin}, title = {Solutions of partial differential equations with constant coefficients}, journal = {Doklady Akademii Nauk}, pages = {17--19}, publisher = {mathdoc}, volume = {139}, number = {1}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_139_1_a2/} }
V. V. Grushin. Solutions of partial differential equations with constant coefficients. Doklady Akademii Nauk, Tome 139 (1961) no. 1, pp. 17-19. http://geodesic.mathdoc.fr/item/DAN_1961_139_1_a2/