@article{1102992604,
author = {Landesman, Edward M.},
title = {Hilbert-space methods in elliptic partial differential equations.},
journal = {Pacific J. Math.},
volume = {23},
number = {3},
year = {1967},
pages = { 113-131},
language = {en},
url = {http://dml.mathdoc.fr/item/1102992604}
}
Landesman, Edward M. Hilbert-space methods in elliptic partial differential equations.. Pacific J. Math., Tome 23 (1967) no. 3, pp. 113-131. http://gdmltest.u-ga.fr/item/1102992604/