%0 Journal Article
%A M. Hristova
%A V. Hristov
%T On the Minimal Commutativity of a General Operator of Differentiation Type
%J Mathematica balkanica
%D 2011
%P 363
%V 25
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MABA_2011_25_4_a2/
%F MABA_2011_25_4_a2