%0 Journal Article %A V. D. Glushenkov %T Difference schemes with second-order accuracy for quasilinear elliptic equations in a triangle %J Differencialʹnye uravneniâ %D 1979 %P 901-907 %V 15 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_5_a14/ %G ru %F DE_1979_15_5_a14