@article{10_4153_CMB_1978_035_0,
     author = {Schirmer, Helga},
     title = {Fixed {Points} can {Characterise} {Curves}},
     journal = {Canadian mathematical bulletin},
     pages = {207--211},
     year = {1978},
     volume = {21},
     number = {2},
     doi = {10.4153/CMB-1978-035-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-035-0/}
}