@article{PPN235181684_0261+dmdlog89,
title = {Variational and Topological Methods in Partially Ordered Hilbert Spaces.},
journal = {Mathematische Annalen},
volume = {261},
year = {1982},
pages = {493-514},
zbl = {0488.47034},
url = {http://dml.mathdoc.fr/item/PPN235181684_0261+dmdlog89}
}
Hofer, Helmut. Variational and Topological Methods in Partially Ordered Hilbert Spaces.. Mathematische Annalen, Tome 261 (1982) pp. 493-514. http://gdmltest.u-ga.fr/item/PPN235181684_0261+dmdlog89/