Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1987_23_5_a18, author = {N. V. Tsyvis and N. J. Yurchuk}, title = {A three-point problem for third-order operator-differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {877--881}, publisher = {mathdoc}, volume = {23}, number = {5}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1987_23_5_a18/} }
N. V. Tsyvis; N. J. Yurchuk. A three-point problem for third-order operator-differential equations. Differencialʹnye uravneniâ, Tome 23 (1987) no. 5, pp. 877-881. http://geodesic.mathdoc.fr/item/DE_1987_23_5_a18/