@article{bwmeta1.element.bwnjournal-article-cmv11i1p85bwm,
author = {W. Narkiewicz},
title = {On a summation formula of E. Cohen},
journal = {Colloquium Mathematicae},
volume = {10},
year = {1963},
pages = {85-86},
zbl = {0118.04901},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-cmv11i1p85bwm}
}
Narkiewicz, W. On a summation formula of E. Cohen. Colloquium Mathematicae, Tome 10 (1963) pp. 85-86. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-cmv11i1p85bwm/