Vynnychuk, Stepan, and Vitalii Misko. 2017. “Improvement of the Quadratic Sieve Method on the Basis of the Extended Factor Base and Using Available Quantity of B – Smooth Numbers”. Collection "Information Technology and Security" 5 (2):67-75. https://doi.org/10.20535/2411-1031.2017.5.2.136966.