@article{1250131302,
author = {Rothe, E.H.},
title = {Morse theory in Hilbert space},
journal = {Rocky Mountain J. Math.},
volume = {3},
number = {4},
year = {1973},
pages = { 251-274},
language = {en},
url = {http://dml.mathdoc.fr/item/1250131302}
}
Rothe, E.H. Morse theory in Hilbert space. Rocky Mountain J. Math., Tome 3 (1973) no. 4, pp. 251-274. http://gdmltest.u-ga.fr/item/1250131302/