@Article{ dep, author = { De Pascale, Luigi }, title = { Morse-Sard Theorem in Sobolev Spaces }, journal = { Indiana University Mathematics Journal }, year = { 2001 }, volume = { 50 }, number = { 3 }, pages = { 1371-1387 }, URL = { http://cvgmt.sns.it/paper/1310/ }, note = { cvgmt preprint} }