Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1994_30_5_a18, author = {G. V. Demidenko}, title = {A class of integral operators and applications to quasi-elliptic equations. {I}}, journal = {Differencialʹnye uravneni\^a}, pages = {889--898}, publisher = {mathdoc}, volume = {30}, number = {5}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1994_30_5_a18/} }
G. V. Demidenko. A class of integral operators and applications to quasi-elliptic equations. I. Differencialʹnye uravneniâ, Tome 30 (1994) no. 5, pp. 889-898. http://geodesic.mathdoc.fr/item/DE_1994_30_5_a18/