@article{1255637482,
author = {Michael, J. H},
title = {The equivalence of two areas for nonparametric discontinuous surfaces},
journal = {Illinois J. Math.},
volume = {7},
number = {1},
year = {1963},
pages = { 59-78},
language = {en},
url = {http://dml.mathdoc.fr/item/1255637482}
}
Michael, J. H. The equivalence of two areas for nonparametric discontinuous surfaces. Illinois J. Math., Tome 7 (1963) no. 1, pp. 59-78. http://gdmltest.u-ga.fr/item/1255637482/