%0 Journal Article %A V. Ya. Tereshchenko %T Solution of the problem of minimization of generalized Trefftz functionals as a variational problem with constraints %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1985 %P 1710-1717 %V 25 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1985_25_11_a11/ %G ru %F ZVMMF_1985_25_11_a11