%0 Journal Article %A F. B. Pakovich %T On analogues of the Ritt theorems for rational functions with two poles %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2008 %P 386-387 %V 63 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2008_63_2_a15/ %G en %F RM_2008_63_2_a15