%0 Journal Article %A P. V. Paramonov %T On~the possibility of division and involution to a~fractional power in the algebra of rational functions %J Izvestiya. Mathematics %D 1988 %P 385-393 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1988_30_2_a10/ %G en %F IM2_1988_30_2_a10