Чинченко, Ю. В., Є. А. Знаковська, and І. В. Остроумов. “Support of Decision-Making Concerning Flight Safety by Means of Multicriteria Estimations of Alternatives”. Problems of Informatization and Management, vol. 1, no. 33, Oct. 2011, pp. 162-7, doi:10.18372/2073-4751.1.9191.