@article{GDZPPN002201453,
title = {Degenerate critical points, homotopy indices and Morse inequalities.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {346},
year = {1984},
pages = {1-22},
zbl = {0525.58012},
url = {http://dml.mathdoc.fr/item/GDZPPN002201453}
}
Dancer, E.N. Degenerate critical points, homotopy indices and Morse inequalities.. Journal für die reine und angewandte Mathematik, Tome 346 (1984) pp. 1-22. http://gdmltest.u-ga.fr/item/GDZPPN002201453/