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@article{DE_2000_36_4_a5, author = {K. V. Kravchenko}, title = {Differential operators with nonlocal boundary conditions}, journal = {Differencialʹnye uravneni\^a}, pages = {464--469}, publisher = {mathdoc}, volume = {36}, number = {4}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2000_36_4_a5/} }
K. V. Kravchenko. Differential operators with nonlocal boundary conditions. Differencialʹnye uravneniâ, Tome 36 (2000) no. 4, pp. 464-469. http://geodesic.mathdoc.fr/item/DE_2000_36_4_a5/