@article{1183523458,
author = {Schechter, Martin},
title = {Elliptic problems in which the boundary conditions do not form a normal set},
journal = {Bull. Amer. Math. Soc.},
volume = {66},
number = {6},
year = {1960},
pages = { 84-85},
language = {en},
url = {http://dml.mathdoc.fr/item/1183523458}
}
Schechter, Martin. Elliptic problems in which the boundary conditions do not form a normal set. Bull. Amer. Math. Soc., Tome 66 (1960) no. 6, pp. 84-85. http://gdmltest.u-ga.fr/item/1183523458/