@article{1103043238,
author = {Schwarz, Binyamin},
title = {Bounds for the principal frequency of the non-homogeneous membrane and for the generalized Dirichlet integral.},
journal = {Pacific J. Math.},
volume = {7},
number = {4},
year = {1957},
pages = { 1653-1676},
language = {en},
url = {http://dml.mathdoc.fr/item/1103043238}
}
Schwarz, Binyamin. Bounds for the principal frequency of the non-homogeneous membrane and for the generalized Dirichlet integral.. Pacific J. Math., Tome 7 (1957) no. 4, pp. 1653-1676. http://gdmltest.u-ga.fr/item/1103043238/