%0 Journal Article %T THE EFFICIENCY OF THE TRACTOR WITH THE ENGINE OF CONSTANT POWER AS A PART OF TILLING UNIT %A Zhuravlev, S.Y. %K efficiency, tractor, constant power engine, soil-cultivating unit, rational modes, power and technical and economic parameters, multi-objective optimization %J Bulletin of KSAU %D 2018 %N %P 5 %I Krasnoyarsk State Agrarian University