@article{bwmeta1.element.bwnjournal-article-smv27i1p9bwm,
author = {J. Mikusi\'nski},
title = {An approximation theorem and its applications in operational calculus},
journal = {Studia Mathematica},
volume = {27},
year = {1966},
pages = {141-145},
zbl = {0146.08103},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv27i1p9bwm}
}
Mikusiński, J. An approximation theorem and its applications in operational calculus. Studia Mathematica, Tome 27 (1966) pp. 141-145. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv27i1p9bwm/