%0 Journal Article %A Brossard, Roland %T A Note on Absolute Geometry %J Canadian mathematical bulletin %D 1968 %P 719-722 %V 11 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1968-086-5/ %R 10.4153/CMB-1968-086-5 %F 10_4153_CMB_1968_086_5