%0 Journal Article %A Maria Madonia %A Giuseppe Scollo %T Reducibility and solvability of some classes of Kryuchkov binary tree pairs %J The electronic journal of combinatorics %D 2011 %V 18 %N 2 %U http://geodesic.mathdoc.fr/articles/10.37236/2028/ %R 10.37236/2028 %F 10_37236_2028