Stoilov, Todor Atanasov, Stoilova, Krasimira Petrova, Vladimirov, Miroslav Dimitrov .
Decreasing the Computational Workload in Portfolio Optimization.
Hooghly, India: B P International, 2021, pp. 63-81. - (B P International ; 15), ISBN 978-93-91215-90-3 (print) ; 978-93-91215-95-8.