@article{KJM_2007_30_1_a11,
     author = {Ljubi\v{s}a Koci\'c and Sonja Gegovska-Zajkova and Liljana Stefanovska},
     title = {Affine invariant contractions of simplices},
     journal = {Kragujevac Journal of Mathematics},
     pages = {171 - 179},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/KJM_2007_30_1_a11/}
}