%0 Journal Article %A A. V. Schwab %A P. N. Zyatikov %A V. N. Brendakov %A V. K. Nikul'chikov %T A method for calculation of powder classification efficiency based on measurements of their specific surfaces %J Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika %D 2011 %P 117-123 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTGU_2011_2_a14/ %G ru %F VTGU_2011_2_a14