%0 Journal Article %A I. I. Tsyganok %T On a~method for constructing $N$-functions, equivalent to their complementary ones %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1965 %V 20 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1965_20_5_a18/ %G ru %F RM_1965_20_5_a18