%0 Journal Article %T THE RESULTS OF STUDIES OF THE CRACKS DEVELOPMENT IN THE CYLINDER HEADS OF THE ENGINE YAMZ-238НБ %A Cherkashin, N.A. %A Zhiltsov, S.N. %K stress, deformation, fatigue, crack %J Bulletin Samara State Agricultural Academy %D 2016 %N 1 %P 3 %I Samara State Agrarian University