%0 Journal Article %A Vanžurová, Alena %T On torsion of a $3$-web %J Mathematica Bohemica %D 1995 %P 387-392 %V 120 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.1995.126095/ %R 10.21136/MB.1995.126095 %G en %F 10_21136_MB_1995_126095