@article {2002,
	title = {The scalar curvature problem on $S\\\\sp n$: an approach via Morse theory},
	journal = {Calc. Var. Partial Differential Equations 14 (2002), no. 4, 429-445},
	number = {SISSA;117/99/M},
	year = {2002},
	publisher = {Springer},
	doi = {10.1007/s005260100110},
	url = {http://hdl.handle.net/1963/1331},
	author = {Andrea Malchiodi}
}
