%0 Journal Article %A E. D. Lyumkis %T Increasing the time step in the integration of Navier--Stokes equations in vorticity-stream function variables %J Differencialʹnye uravneniâ %D 1985 %P 1208-1217 %V 21 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_7_a12/ %G ru %F DE_1985_21_7_a12