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@article{DAN_1988_301_2_a4, author = {A. I. Zhilyaev}, title = {Some spectral properties of the {Bessel} differential operator}, journal = {Doklady Akademii Nauk}, pages = {278--280}, publisher = {mathdoc}, volume = {301}, number = {2}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1988_301_2_a4/} }
A. I. Zhilyaev. Some spectral properties of the Bessel differential operator. Doklady Akademii Nauk, Tome 301 (1988) no. 2, pp. 278-280. http://geodesic.mathdoc.fr/item/DAN_1988_301_2_a4/