%0 Journal Article %A I. B. Zhukov %A G. K. Pak %T Approximational approach to ramification theory %J Algebra i analiz %D 2015 %P 150-162 %V 27 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2015_27_6_a7/ %G ru %F AA_2015_27_6_a7