@article{bwmeta1.element.desklight-1fe8fe71-5962-40e1-86e1-ef819178aea2,
author = {R. Fleissner and R. J. O'Malley},
title = {Conditions implying the summability of approximate derivatives},
journal = {Colloquium Mathematicae},
volume = {42},
year = {1979},
pages = {257-263},
zbl = {0449.26006},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-1fe8fe71-5962-40e1-86e1-ef819178aea2}
}
R. Fleissner; R. J. O'Malley. Conditions implying the summability of approximate derivatives. Colloquium Mathematicae, Tome 42 (1979) pp. 257-263. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-1fe8fe71-5962-40e1-86e1-ef819178aea2/