%0 Journal Article %A L. I. Filozof %T Application of the $A$-method to the investigation of Pade approximants of elementary functions %J Informatics and Automation %D 1987 %P 225-226 %V 180 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a138/ %G ru %F TRSPY_1987_180_a138