00647naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200014600094210010100240215001100341608002700352675004800379700003300427856001700460EN\\bibl\5136920250216204044.7##a2223-9987##a20220623b2022####ek#y0engy0150####ca##aRU1#aEnergetic Efficiency Rise of “Yermak” Family Freight Electric Locomotives by Modernization Approach During Plant RepairseJournal article1#aSaint-PetersburgcFSBEI HE "Emperor Alexander I St. Petersburg State Transport University"d2022##a16 с.##aJournal article2local##aЭлектрическая тяга. 621.33#1aMustafingAdel' Shamil'evich4#aatjournal.ru