%0 Journal Article %T MATHEMATICAL MODEL OF SEED SORTING PROCESS ON THE MULTI-STEP ROLLING SEPARATOR %A Knyazev, A.V. %A Vakhnina, G.N. %K multi-step rolling separator, technological process differential equation, separator rolls, conifer seeds %J Bulletin of KSAU %D 2013 %N %P 13 %I Krasnoyarsk State Agrarian University