@article{1195519587,
author = {Maruo, Kenji},
title = {The asymptotic formulas for eigenvalues of elliptic operators which degenerate at the boundary},
journal = {Proc. Japan Acad.},
volume = {48},
number = {10},
year = {1972},
pages = { 454-457},
language = {en},
url = {http://dml.mathdoc.fr/item/1195519587}
}
Maruo, Kenji. The asymptotic formulas for eigenvalues of elliptic operators which degenerate at the boundary. Proc. Japan Acad., Tome 48 (1972) no. 10, pp. 454-457. http://gdmltest.u-ga.fr/item/1195519587/