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@article{MZM_2012_91_2_a9, author = {P. A. Terekhin}, title = {On {Bessel} {Systems} in a {Banach} {Space}}, journal = {Matemati\v{c}eskie zametki}, pages = {285--296}, publisher = {mathdoc}, volume = {91}, number = {2}, year = {2012}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2012_91_2_a9/} }
P. A. Terekhin. On Bessel Systems in a Banach Space. Matematičeskie zametki, Tome 91 (2012) no. 2, pp. 285-296. http://geodesic.mathdoc.fr/item/MZM_2012_91_2_a9/