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@article{DAN_1974_219_5_a5, author = {I. L. Vulis}, title = {Spectral asymptotics of degenerate polyharmonic operators}, journal = {Doklady Akademii Nauk}, pages = {1049--1052}, publisher = {mathdoc}, volume = {219}, number = {5}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_219_5_a5/} }
I. L. Vulis. Spectral asymptotics of degenerate polyharmonic operators. Doklady Akademii Nauk, Tome 219 (1974) no. 5, pp. 1049-1052. http://geodesic.mathdoc.fr/item/DAN_1974_219_5_a5/