%0 Journal Article %T Mathematical Models of Project Portfolio Formation: Evolution, Typology, Future %A Petrenko, E.. %K project portfolio, project portfolio management, project portfolio formation, mathematical methods, deterministic models, stochastic models, fuzzy numbers theory. %J Scientific Research and Development. Russian Journal of Project Management %D 2014 %N 3 %P 20 %I INFRA-M Academic Publishing LLC.