%0 Journal Article %A I. V. Fryazinov %T Conservative difference schemes for Navier--Stokes equations in vortex-stream function-torque variables on irregular triangular grids %J Differencialʹnye uravneniâ %D 1983 %P 1276-1284 %V 19 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_7_a20/ %G ru %F DE_1983_19_7_a20