%0 Journal Article %A S. A. Gel'fer %T The variational method in the theory of parametrically representable analytic functions %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1968 %P 19-26 %V 94 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1968_94_a2/ %G ru %F TM_1968_94_a2