@article{10_4153_CMB_1992_073_8,
     author = {Thas, C.},
     title = {An {Easy} {Proof} for {Some} {Classical} {Theorems} in {Plane} {Geometry}},
     journal = {Canadian mathematical bulletin},
     pages = {560--568},
     year = {1992},
     volume = {35},
     number = {4},
     doi = {10.4153/CMB-1992-073-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-073-8/}
}