@article{1102708249, author = {Brown, Robert F.}, title = {Retraction methods in Nielsen fixed point theory.}, journal = {Pacific J. Math.}, volume = {115}, number = {2}, year = {1984}, pages = { 277-297}, language = {en}, url = {http://dml.mathdoc.fr/item/1102708249} }
Brown, Robert F. Retraction methods in Nielsen fixed point theory.. Pacific J. Math., Tome 115 (1984) no. 2, pp. 277-297. http://gdmltest.u-ga.fr/item/1102708249/