@article{1250130560,
author = {Landis, Dale and Morse, Marston},
title = {Tractions in critical point theory},
journal = {Rocky Mountain J. Math.},
volume = {5},
number = {4},
year = {1975},
pages = { 379-400},
language = {en},
url = {http://dml.mathdoc.fr/item/1250130560}
}
Landis, Dale; Morse, Marston. Tractions in critical point theory. Rocky Mountain J. Math., Tome 5 (1975) no. 4, pp. 379-400. http://gdmltest.u-ga.fr/item/1250130560/