%0 Journal Article %A P. de la Harpe %A M. Bucher %T Free products with amalgamation and HNN-extensions of uniformly exponential growth %J Matematičeskie zametki %D 2000 %P 811-815 %V 67 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2000_67_6_a1/ %G ru %F MZM_2000_67_6_a1