@article{1102701900,
author = {Schirmer, Helga},
title = {A relative Nielsen number.},
journal = {Pacific J. Math.},
volume = {125},
number = {2},
year = {1986},
pages = { 459-473},
language = {en},
url = {http://dml.mathdoc.fr/item/1102701900}
}
Schirmer, Helga. A relative Nielsen number.. Pacific J. Math., Tome 125 (1986) no. 2, pp. 459-473. http://gdmltest.u-ga.fr/item/1102701900/