%0 Journal Article %A D. R. Gayfulin %T On the derivative of two functions from Denjoy--Tichy--Uitz family %J Algebra i analiz %D 2015 %P 74-124 %V 27 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2015_27_1_a3/ %G ru %F AA_2015_27_1_a3