%0 Journal Article %A A. D. Lyashko %T The method of lines for nonlinear elliptic equations of arbitrary order %J Differencialʹnye uravneniâ %D 1971 %P 1649-1654 %V 7 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1971_7_9_a11/ %G ru %F DE_1971_7_9_a11