%0 Journal Article %A T. G. Zhantasov %T The convergence of the method of lines for the elliptic equation $\Delta^3u(x,y)=f(x,y)$ %J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki %D 1969 %P 106-119 %V 129 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZKU_1969_129_3_a9/ %G ru %F UZKU_1969_129_3_a9