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@article{IM2_1968_2_3_a7, author = {A. F. Leont'ev}, title = {A method for the solution of an equation of infinite order}, journal = {Izvestiya. Mathematics }, pages = {639--663}, publisher = {mathdoc}, volume = {2}, number = {3}, year = {1968}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1968_2_3_a7/} }
A. F. Leont'ev. A method for the solution of an equation of infinite order. Izvestiya. Mathematics , Tome 2 (1968) no. 3, pp. 639-663. http://geodesic.mathdoc.fr/item/IM2_1968_2_3_a7/