1.
Stefanov S. A Borsuk-Ulman type theorem for $\mathbb{Z}_{4}$-actions. Ann. Sofia Univ. Fac. Math. and Inf. [Internet]. 1995 Dec. 12 [cited 2024 Nov. 22];87:279-86. Available from: https://stipendii.uni-sofia.bg/index.php/fmi/article/view/421