%0 Journal Article %A E. I. Nikiforovich %A V. S. Maderich %T Asymptotic analysis of Navier--Stokes equations in problems of free convection %J Doklady Akademii Nauk %D 1989 %P 307-311 %V 308 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_308_2_a10/ %G ru %F DAN_1989_308_2_a10