%0 Journal Article %A N. Kjurkchiev %A A. Andreev %T On the R-Order of Convergence of Classes of Iterative Methods %J Mathematica balkanica %D 1994 %P 351 %V 8 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1994_8_4_a5/ %F MABA_1994_8_4_a5