%0 Journal Article %A Thas, C. %T An Easy Proof for Some Classical Theorems in Plane Geometry %J Canadian mathematical bulletin %D 1992 %P 560-568 %V 35 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-073-8/ %R 10.4153/CMB-1992-073-8 %F 10_4153_CMB_1992_073_8