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@article{DAN_1995_344_6_a1, author = {K. Kh. Boimatov}, title = {Some asymptotic formulas for elliptic operators in $R^n$ that are far from selfadjoint}, journal = {Doklady Akademii Nauk}, pages = {730--735}, publisher = {mathdoc}, volume = {344}, number = {6}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1995_344_6_a1/} }
K. Kh. Boimatov. Some asymptotic formulas for elliptic operators in $R^n$ that are far from selfadjoint. Doklady Akademii Nauk, Tome 344 (1995) no. 6, pp. 730-735. http://geodesic.mathdoc.fr/item/DAN_1995_344_6_a1/