00497naa#a2200169#i#4500001001300000005001700013011001400030100004100044101000800085102000700093200010700100210004900207215001000256608002700266700002000293856001400313EN\\bibl\58820260512051737.2##a2073-0462##a20131024b2013####ek#y0engy0150####ca0#aRUS##aRU1#aClassification of costs for management reporting formation in gas producing companieseJournal article1#aKazancKazan state agrarian Universityd2013##a4 с.##aJournal article2local#1aGorobetsgOlga 4#azh-szf.ru