%0 Journal Article %A R. F. Fikhmanas %A P. Sh. Fridberg %T On one method of numerical realization of the Schwinger variational principle %J Doklady Akademii Nauk %D 1976 %P 1088-1091 %V 231 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_231_5_a15/ %G ru %F DAN_1976_231_5_a15