TY JOUR TI ASSESSMENT OF RELIABILITY INDICATORS OF THE POWER SUPPLY SYSTEM OF TRACTORS WITH GAS-CYLINDER EQUIPMENT KW natural gas KW failure KW mean time between failures KW maintenance KW statistical monitoring JO Vestnik of Omsk SAU AU ZAKHAROV, S.V. AU MALTSEVA, E.I. PY 2024 IS 56 PB FSBEI HE Omsk SAU