@article{1077474669,
author = {Rechard, O. W. and Reichelderfer, P. V.},
title = {A new criterion for the extension of rectangle functions},
journal = {Duke Math. J.},
volume = {15},
number = {1},
year = {1948},
pages = { 151-158},
language = {en},
url = {http://dml.mathdoc.fr/item/1077474669}
}
Rechard, O. W.; Reichelderfer, P. V. A new criterion for the extension of rectangle functions. Duke Math. J., Tome 15 (1948) no. 1, pp. 151-158. http://gdmltest.u-ga.fr/item/1077474669/