@article{1077474298,
author = {Rad\'o, Tibor},
title = {Two-dimensional concepts of bounded variation and absolute
continuity},
journal = {Duke Math. J.},
volume = {14},
number = {1},
year = {1947},
pages = { 587-608},
language = {en},
url = {http://dml.mathdoc.fr/item/1077474298}
}
Radó, Tibor. Two-dimensional concepts of bounded variation and absolute
continuity. Duke Math. J., Tome 14 (1947) no. 1, pp. 587-608. http://gdmltest.u-ga.fr/item/1077474298/