%0 Journal Article %A V. V. Zharinov %T The Green formula for nonlinear systems of partial differential %J Doklady Akademii Nauk %D 1987 %P 785-787 %V 296 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_296_4_a2/ %G ru %F DAN_1987_296_4_a2