%0 Journal Article %A A. F. Gorshkov %A Yu. M. Solomentsev %T Finding extremal spanning trees with prescribed vertex degrees by %J Doklady Akademii Nauk %D 1996 %P 443-445 %V 347 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1996_347_4_a1/ %G ru %F DAN_1996_347_4_a1