%0 Journal Article %A I. S. Gradshtein %T An apparatus for drawing the graph of a function of a function %J Informatics and Automation %D 1947 %P 129-130 %V 20 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1947_20_a10/ %G ru %F TRSPY_1947_20_a10