@article{1256048739,
author = {Aharonov, D. and Atzmon, A. and Levin, A.},
title = {On the regularity properties of the variation function},
journal = {Illinois J. Math.},
volume = {22},
number = {4},
year = {1978},
pages = { 295-305},
language = {en},
url = {http://dml.mathdoc.fr/item/1256048739}
}
Aharonov, D.; Atzmon, A.; Levin, A. On the regularity properties of the variation function. Illinois J. Math., Tome 22 (1978) no. 4, pp. 295-305. http://gdmltest.u-ga.fr/item/1256048739/