Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1975_11_4_a10, author = {B. L. Shekhter}, title = {The unique solvability of a certain linear two-point boundary value problem}, journal = {Differencialʹnye uravneni\^a}, pages = {687--693}, publisher = {mathdoc}, volume = {11}, number = {4}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1975_11_4_a10/} }
B. L. Shekhter. The unique solvability of a certain linear two-point boundary value problem. Differencialʹnye uravneniâ, Tome 11 (1975) no. 4, pp. 687-693. http://geodesic.mathdoc.fr/item/DE_1975_11_4_a10/