%0 Journal Article %T Hiller’s surface form design method %A Zimagulov, T.. %A Zimagulov, A.. %A Bulgariev, G.G. %K hiller, working unit, blade, soil, combs, guide curve of parabola, projection. %J Vestnik of Kazan State Agrarian University %D 2013 %N 8 %P 3 %I Kazan state agrarian University