Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1971_198_6_a0, author = {V. Bryuns}, title = {A generalized boundary-value problem for an ordinary linear differential operator}, journal = {Doklady Akademii Nauk}, pages = {1255--1258}, publisher = {mathdoc}, volume = {198}, number = {6}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_198_6_a0/} }
V. Bryuns. A generalized boundary-value problem for an ordinary linear differential operator. Doklady Akademii Nauk, Tome 198 (1971) no. 6, pp. 1255-1258. http://geodesic.mathdoc.fr/item/DAN_1971_198_6_a0/