Khachatryan Р. А. . (2018) “Gradient projection method and continuous selections of multivalued mappings”, Bulletin of L.N. Gumilyov Eurasian National University. Mathematics, computer science, mechanics series, 124(3), pp. 95–100. Available at: https://bulmathmc.enu.kz/index.php/main/article/view/27 (Accessed: 21 November 2024).