%0 Journal Article %A E. V. Voronovskaya %T The method of functionals as applied to problems of the Zolotarev--Przeborski type %J Doklady Akademii Nauk %D 1970 %P 20-23 %V 194 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1970_194_1_a3/ %G ru %F DAN_1970_194_1_a3