%0 Journal Article %A W. I. Fushchych %A N. I. Serov %T Some exact solutions of the multidimensional nonlinear Euler--Lagrange equation %J Doklady Akademii Nauk %D 1984 %P 847-851 %V 278 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_278_4_a19/ %G ru %F DAN_1984_278_4_a19