@article{1102959361, author = {Pepe, W. D. and Ziemer, William P.}, title = {Slices, multiplicity, and Lebesgue area.}, journal = {Pacific J. Math.}, volume = {43}, number = {3}, year = {1972}, pages = { 701-710}, language = {en}, url = {http://dml.mathdoc.fr/item/1102959361} }
Pepe, W. D.; Ziemer, William P. Slices, multiplicity, and Lebesgue area.. Pacific J. Math., Tome 43 (1972) no. 3, pp. 701-710. http://gdmltest.u-ga.fr/item/1102959361/