[1]
T. O. Banakh and Radyl Т., “On universality of countable powers of absolute retracts”, Ukr. Mat. Zhurn., vol. 48, no. 4, pp. 540–542, Apr. 1996, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5317