@article{10_4153_CJM_1982_006_3,
     author = {Fournier, Gilles and Fournier, Reine},
     title = {On the {Homotopy} {Property} of {Nussbaum's} {Fixed} {Point} {Index}},
     journal = {Canadian journal of mathematics},
     pages = {44--62},
     year = {1982},
     volume = {34},
     number = {1},
     doi = {10.4153/CJM-1982-006-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1982-006-3/}
}