Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KUKZ_1971_8_8_a8, author = {V. I. Zhegalov}, title = {A linear operator-differential equation}, journal = {Trudy seminara po kraevym zada\v{c}am}, pages = {70--79}, publisher = {mathdoc}, volume = {8}, number = {8}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KUKZ_1971_8_8_a8/} }
V. I. Zhegalov. A linear operator-differential equation. Trudy seminara po kraevym zadačam, Trudy Seminara po Kraevym Zadacham, Tome 8 (1971) no. 8, pp. 70-79. http://geodesic.mathdoc.fr/item/KUKZ_1971_8_8_a8/