Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_2008_260_a16, author = {A. L. Skubachevskii}, title = {On {Necessary} {Conditions} for the {Fredholm} {Solvability} of {Nonlocal} {Elliptic} {Problems}}, journal = {Informatics and Automation}, pages = {248--263}, publisher = {mathdoc}, volume = {260}, year = {2008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_2008_260_a16/} }
A. L. Skubachevskii. On Necessary Conditions for the Fredholm Solvability of Nonlocal Elliptic Problems. Informatics and Automation, Function theory and nonlinear partial differential equations, Tome 260 (2008), pp. 248-263. http://geodesic.mathdoc.fr/item/TRSPY_2008_260_a16/