Lukovs’kyi IO, Timocha OM, Boichuk OA, Vasylyk V. Volodymyr Leonidovych Makarov (on his 80th birthday). Ukr. Mat. Zhurn. [Internet]. 2022Feb.21 [cited 2024Apr.23];74(2):147 -150. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/7142