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@article{DE_2006_42_4_a17, author = {A. S. Makin}, title = {On a nonlocal perturbation of a periodic eigenvalue problem}, journal = {Differencialʹnye uravneni\^a}, pages = {560--562}, publisher = {mathdoc}, volume = {42}, number = {4}, year = {2006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2006_42_4_a17/} }
A. S. Makin. On a nonlocal perturbation of a periodic eigenvalue problem. Differencialʹnye uravneniâ, Tome 42 (2006) no. 4, pp. 560-562. http://geodesic.mathdoc.fr/item/DE_2006_42_4_a17/