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@article{DAN_1958_120_3_a2, author = {I. V. Gel'man}, title = {On some non-linear operator}, journal = {Doklady Akademii Nauk}, pages = {454--456}, publisher = {mathdoc}, volume = {120}, number = {3}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1958_120_3_a2/} }
I. V. Gel'man. On some non-linear operator. Doklady Akademii Nauk, Tome 120 (1958) no. 3, pp. 454-456. http://geodesic.mathdoc.fr/item/DAN_1958_120_3_a2/