%0 Journal Article %A Kulpa, Władysław %A Turzański, Marian %T A combinatorial theorem for a symmetric triangulation of the sphere $S^2$ %J Acta Universitatis Carolinae. Mathematica et Physica %D 2001 %P 69-74 %V 42 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUCMP_2001__42_2_a9/ %G en %F AUCMP_2001__42_2_a9