%0 Journal Article %A G. V. Kuz'mina %T Methods of the geometric theory of functions.~I %J Algebra i analiz %D 1997 %P 41-103 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1997_9_3_a1/ %G ru %F AA_1997_9_3_a1