Olga I. Rukavishnikova, Margarita P. Arutyunyan, Nikita V. Kishkin, and Lyudmila V. PyatiletovаElena G. Sakhnovskaya,. “Comparative Analysis of the Philosophical Heritage of B.F. Porshnev”. Opción 360 (April 24, 2020): 576-593. Accessed December 6, 2025. http://www.produccioncientificaluz.org/index.php/opcion/article/view/31732.