%0 Journal Article %A A. A. Tuzhilin %T Minimal binary trees with regular boundary: the~case of sceletons with four ends %J Sbornik. Mathematics %D 1996 %P 581-622 %V 187 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1996_187_4_a3/ %G en %F SM_1996_187_4_a3