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@article{IM2_1993_41_1_a9, author = {V. K. Bulitko}, title = {Letter to the editor}, journal = {Izvestiya. Mathematics }, pages = {185}, publisher = {mathdoc}, volume = {41}, number = {1}, year = {1993}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1993_41_1_a9/} }
V. K. Bulitko. Letter to the editor. Izvestiya. Mathematics , Tome 41 (1993) no. 1. http://geodesic.mathdoc.fr/item/IM2_1993_41_1_a9/
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