Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1988_303_6_a3, author = {I. E. Egorov}, title = {A boundary value problem for a higher-order equation with changing}, journal = {Doklady Akademii Nauk}, pages = {1301--1304}, publisher = {mathdoc}, volume = {303}, number = {6}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1988_303_6_a3/} }
I. E. Egorov. A boundary value problem for a higher-order equation with changing. Doklady Akademii Nauk, Tome 303 (1988) no. 6, pp. 1301-1304. http://geodesic.mathdoc.fr/item/DAN_1988_303_6_a3/