00531naa#a2200181#i#450# EN\\bibl\6464 20260106103553.2 2073-0462 20150714b2015####ek#y0engy0150####ca RUS RU THE ANALYSIS OF THE FACTORS, INFLUENCING ON LONGITUDINAL STABILITY OF TRACTOR Journal article Kazan Kazan state agrarian University 2015 2 с. Journal article local Kartokhin Sergey Proporov Evgeniy zh-szf.ru