%0 Journal Article %A V. I. Danchenko %T Integral Estimates of Lengths of Level Lines of Rational Functions and Zolotarev's Problem %J Matematičeskie zametki %D 2013 %P 331-337 %V 94 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2013_94_3_a1/ %G ru %F MZM_2013_94_3_a1