%0 Journal Article %A Ljubić, Dragoslav %T Bireflectionality in Absolute Geometry %J Canadian mathematical bulletin %D 1989 %P 54-63 %V 32 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1989-008-6/ %R 10.4153/CMB-1989-008-6 %F 10_4153_CMB_1989_008_6