@article{10_4064_fm_47_3_249_263,
     author = {J. Stallings},
     title = {Fixed point theorems for connectivity maps},
     journal = {Fundamenta Mathematicae},
     pages = {249--263},
     publisher = {mathdoc},
     volume = {47},
     number = {3},
     year = {1959},
     doi = {10.4064/fm-47-3-249-263},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-47-3-249-263/}
}