Liqin Zhang, Xiaojing Tian, Zakariya Chabani, “Application of Higher-Order Ordinary Differential Equation Model in Financial Investment Stock Price Forecast”, Applied Mathematics and Nonlinear Sciences, 8:1 (2023), 2009
Liqin Zhang, Xiaojing Tian, Zakariya Chabani, “Application of Higher Order Ordinary Differential Equation Model in Financial Investment Stock Price Forecast”, Applied Mathematics and Nonlinear Sciences, 7:1 (2022), 893
Ю. Ю. Багдерина, “Собственные функции обыкновенных дифференциальных операторов Эйлера”, Математическая физика, Итоги науки и техн. Соврем. мат. и ее прил. Темат. обз., 152, ВИНИТИ РАН, М., 2018, 3–12 ; Yu. Yu. Bagderina, “Eigenfunctions of Ordinary Differential Euler Operators”, J. Math. Sci. (N. Y.), 252:2 (2021), 125–134