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@article{DAN_1991_317_2_a0, author = {I. L. Barskii}, title = {On the behavior of the spectrum of some linear multipoint boundary}, journal = {Doklady Akademii Nauk}, pages = {265--266}, publisher = {mathdoc}, volume = {317}, number = {2}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_317_2_a0/} }
I. L. Barskii. On the behavior of the spectrum of some linear multipoint boundary. Doklady Akademii Nauk, Tome 317 (1991) no. 2, pp. 265-266. http://geodesic.mathdoc.fr/item/DAN_1991_317_2_a0/