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@article{PMIHES_1988__68__99_0, author = {Bott, Raoul}, title = {Morse theory indomitable}, journal = {Publications Math\'ematiques de l'IH\'ES}, pages = {99--114}, publisher = {Institut des Hautes \'Etudes Scientifiques}, volume = {68}, year = {1988}, mrnumber = {1001450}, zbl = {0685.58009}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PMIHES_1988__68__99_0/} }
Bott, Raoul. Morse theory indomitable. Publications Mathématiques de l'IHÉS, Tome 68 (1988), pp. 99-114. http://geodesic.mathdoc.fr/item/PMIHES_1988__68__99_0/