Linton, O. B., & Yan, Y. (2011). Semi- and Nonparametric ARCH Processes. Journal of Probability and Statistics, 2011(), 722-738. https://doi.org/10.1155/2011/906212
Voronin, A. (2014). Rational Organization in Multicriteria Problems. Research and Applications in Economics, 2(), 26-31. https://www.airitilibrary.com/Article/Detail?DocID=P20150508006-201412-201505080029-201505080029-26-31