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@article{IM2_1967_1_3_a11, author = {A. P. Novikov}, title = {On the class number of fields, abelian over an imaginary quadratic field}, journal = {Izvestiya. Mathematics }, pages = {697--705}, publisher = {mathdoc}, volume = {1}, number = {3}, year = {1967}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1967_1_3_a11/} }
A. P. Novikov. On the class number of fields, abelian over an imaginary quadratic field. Izvestiya. Mathematics , Tome 1 (1967) no. 3, pp. 697-705. http://geodesic.mathdoc.fr/item/IM2_1967_1_3_a11/