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@article{DAN_1984_274_1_a7, author = {V. Ya. Yakubov}, title = {Estimates for elliptic operator eigenfunctions normalized in $L_2$}, journal = {Doklady Akademii Nauk}, pages = {35--37}, publisher = {mathdoc}, volume = {274}, number = {1}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_274_1_a7/} }
V. Ya. Yakubov. Estimates for elliptic operator eigenfunctions normalized in $L_2$. Doklady Akademii Nauk, Tome 274 (1984) no. 1, pp. 35-37. http://geodesic.mathdoc.fr/item/DAN_1984_274_1_a7/