00616naa#a2200181#i#450# EN\\bibl\12576 20251219202047.5 2073-0462 20160705b2016####ek#y0engy0150####ca RUS RU THE RESULTS TO DETERMINE THE OPTIMAL VALUES OF INTERREPAIR OPERATING TIME OF TRACTORS IN THE AGRICULTURAL PRODUCTION, TAKING INTO ACCOUNT ITS EXPLOITATION LEVEL Journal article Kazan Kazan state agrarian University 2016 3 с. Journal article local Khusainov Rail Galiev Ilgiz Gakifovich zh-szf.ru