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@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}, publisher = {mathdoc}, volume = {350}, year = {1984}, zbl = {0525.58012}, url = {http://geodesic.mathdoc.fr/item/JRAM_1984__350_152629/} }
E.N. Dancer. Degenerate critical points, homotopy indices and Morse inequalities.. Journal für die reine und angewandte Mathematik, Tome 350 (1984), pp. 1-22. http://geodesic.mathdoc.fr/item/JRAM_1984__350_152629/