@article{bwmeta1.element.bwnjournal-article-fmv134i1p1bwm,
author = {R. Dobre\'nko and Z. Kucharski},
title = {On the generalization of the Nielsen number},
journal = {Fundamenta Mathematicae},
volume = {134},
year = {1990},
pages = {1-14},
zbl = {0719.55002},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv134i1p1bwm}
}
Dobreńko, R.; Kucharski, Z. On the generalization of the Nielsen number. Fundamenta Mathematicae, Tome 134 (1990) pp. 1-14. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv134i1p1bwm/