@article{JRAM_1984__350_152629,
     author = {E.N. Dancer},
     title = {Degenerate critical points, homotopy indices and {Morse} inequalities.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--22},
     year = {1984},
     volume = {350},
     zbl = {0525.58012},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1984__350_152629/}
}