Voir la notice du chapitre de livre provenant de la source Numdam
@incollection{AST_1973__7-8__263_0, author = {Lazzeri, Fulvio}, title = {Morse theory on singular spaces}, booktitle = {Singularit\'es \`a Carg\`ese}, series = {Ast\'erisque}, pages = {263--268}, publisher = {Soci\'et\'e math\'ematique de France}, number = {7-8}, year = {1973}, mrnumber = {382711}, zbl = {0307.57014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AST_1973__7-8__263_0/} }
Lazzeri, Fulvio. Morse theory on singular spaces, dans Singularités à Cargèse, Astérisque, no. 7-8 (1973), pp. 263-268. http://geodesic.mathdoc.fr/item/AST_1973__7-8__263_0/