00527naa#a2200181#i#4500001001800000005001700018011001400035100004100049101000800090102000700098200010300105210004100208215001000249608002700259700002400286700001900310856001600329EN\RIOR\bibl\629820250320220916.4##a2500-1469##a20150430b2015####ek#y0engy0150####ca0#aRUS##aRU1#aDesign of the structure of regional energy system based on data envelopment modeleJournal article1#aMoscowcPublishing Center RIORd2015##a7 с.##aJournal article2local#1aRatnyergSvyetlana #1aRatnergPavel 4#ariorpub.com