%0 Journal Article
%A P. de la Harpe
%A R. I. Grigorchuk
%T Local convexity of growth functions of finitely generated
%J Algebra i logika
%D 1998
%P 621-626
%V 37
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1998_37_6_a0/
%G ru
%F AL_1998_37_6_a0