@article{1183425573,
author = {Hart, William L.},
title = {The pseudo-derivative of a summable function},
journal = {Bull. Amer. Math. Soc.},
volume = {27},
number = {9-10},
year = {1921},
pages = { 202-211},
language = {en},
url = {http://dml.mathdoc.fr/item/1183425573}
}
Hart, William L. The pseudo-derivative of a summable function. Bull. Amer. Math. Soc., Tome 27 (1921) no. 9-10, pp. 202-211. http://gdmltest.u-ga.fr/item/1183425573/