00504naa#a2200169#i#4500001002100000005001700021011001400038100004100052101000800093102000700101200010100108210005100209215001100260608002700271700002100298856001500319EN\INFRA-M\bibl\454520240715104859.1##a2587-6279##a20141217b2014####ek#y0engy0150####ca0#aRUS##aRU1#aMathematical Models of Project Portfolio Formation: Evolution, Typology, FutureeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2014##a20 с.##aJournal article2local#1aPetrenkogElena 4#anaukaru.ru