@article{01570782,
title = {Critical groups of critical points produced by local linking with applications.},
journal = {Abstract and Applied Analysis},
volume = {3},
year = {1998},
pages = {437-446},
doi = {10.1155/S1085337598000657},
zbl = {0972.58008},
language = {en},
url = {http://dml.mathdoc.fr/item/01570782}
}
Perera, Kanishka. Critical groups of critical points produced by local linking with applications.. Abstract and Applied Analysis, Tome 3 (1998) pp. 437-446. doi : 10.1155/S1085337598000657. http://gdmltest.u-ga.fr/item/01570782/