// <I>AMEE 2019<D> : Proceedings of the 45rd International conference "Applications of mathematics in engineering and economics 2019", Sozopol, 7-13 june 2019, Ser. AIP conf. proc., 2172, 2019, Art. № 070010, DOI: 10.1063/1.5133546.
// <I>AMEE 2016<D> : Proceedings of the 42rd International conference "Applications of mathematics in engineering and economics 2016", Sozopol, 8-13 june 2016, Ser. AIP conf. proc., 1789, 2016, Art. № 030002, DOI: 10.1063/1.4968448.
// <I>Novel<D> methods in computational finance, Ser. Mathematics in industry, Springer, M. Ehrhardt et al. (Eds.), 2017, № 25, p. 303-313, DOI: 10.1007/978-3-319-61282-9_18.
// <I>AMEE 2018<D> : Proceedings of the 44rd International conference "Applications of mathematics in engineering and economics 2018", Sozopol, 8-13 june 2018, Ser. AIP conf. proc., 2048, 2018, Art. № 040001, DOI: 10.1063/1.5082073.