%0 Journal Article %A G. D. Maistrovskii %T A local relaxation theory for nonlinear equations %J Doklady Akademii Nauk %D 1967 %P 37-39 %V 177 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_177_1_a8/ %G ru %F DAN_1967_177_1_a8