%0 Journal Article %A A. P. Afanas'ev %T On local variational problems with functional constraints %J Differencialʹnye uravneniâ %D 1998 %P 1459-1463 %V 34 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1998_34_11_a2/ %G ru %F DE_1998_34_11_a2