Stoilov, Todor Atanasov, Stoilova, Krasimira Petrova, Vladimirov, Miroslav Dimitrov Modeling and Assessment of Financial Investments by Portfolio Optimization on Stock Exchange,
Springer Publ., 2020, pp.340-356.-(Studies in Computational Intelligence, ISBN 978-3-030-55346-3 ; ISSN 1860-949X (print) ; .