%0 Journal Article %A D. V. Karpov %T Spanning trees with many leaves: new lower bounds in terms of number of vertices of degree~3 and at least~4 %J Zapiski Nauchnykh Seminarov POMI %D 2012 %P 31-66 %V 406 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2012_406_a2/ %G ru %F ZNSL_2012_406_a2