Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{JRAM_1995__458_153677, author = {Olli Martio and Jan Maly}, title = {Lusin's condition {(N)} and mappings of the class {W1,} n.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {19--36}, publisher = {mathdoc}, volume = {458}, year = {1995}, zbl = {0812.30007}, url = {http://geodesic.mathdoc.fr/item/JRAM_1995__458_153677/} }
Olli Martio; Jan Maly. Lusin's condition (N) and mappings of the class W1, n.. Journal für die reine und angewandte Mathematik, Tome 458 (1995), pp. 19-36. http://geodesic.mathdoc.fr/item/JRAM_1995__458_153677/