%0 Journal Article %A I. V. Ptitsyna %T Classification of closed minimal networks on tetrahedra %J Sbornik. Mathematics %D 1995 %P 101-116 %V 82 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1995_82_1_a4/ %G en %F SM_1995_82_1_a4