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@article{DE_1989_25_2_a36, author = {V. V. Tikhomirov}, title = {The unconditional basis property of root vectors of loaded operators}, journal = {Differencialʹnye uravneni\^a}, pages = {355--357}, publisher = {mathdoc}, volume = {25}, number = {2}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1989_25_2_a36/} }
V. V. Tikhomirov. The unconditional basis property of root vectors of loaded operators. Differencialʹnye uravneniâ, Tome 25 (1989) no. 2, pp. 355-357. http://geodesic.mathdoc.fr/item/DE_1989_25_2_a36/