%0 Journal Article %A Miryana S. Hristova %T On the Commutant of a General Linear Operator of Differentiation Type %J Mathematica balkanica %D 1992 %P 333 %V 6 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1992_6_4_a3/ %F MABA_1992_6_4_a3