%0 Journal Article %A Schirmer, Helga %T Fixed Points can Characterise Curves %J Canadian mathematical bulletin %D 1978 %P 207-211 %V 21 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-035-0/ %R 10.4153/CMB-1978-035-0 %F 10_4153_CMB_1978_035_0