@article{10_4153_CMB_1966_053_3,
     author = {Schirmer, Helga},
     title = {A {Brouwer} {Type} {Coincidence} {Theorem}},
     journal = {Canadian mathematical bulletin},
     pages = {443--446},
     year = {1966},
     volume = {9},
     number = {4},
     doi = {10.4153/CMB-1966-053-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-053-3/}
}