TY JOUR TI Justification of a choice of option of repair influences taking into account intensity of an expense of resources of units of a tractor KW residual resource KW capacity KW helpful exchange KW a sudden failure KW diagnosis. JO Vestnik of Kazan State Agrarian University AU Galiev, I.G. AU Khusainov, R.. PY 2014 IS 9 PB Kazan state agrarian University