Musaev DK. Tubular (weakly) Π-complete and (weakly) Π-completeness of continuous mappings, their properties and characterizations by the use of morphisms. MFAT [Internet]. 2003 Sep. 25 [cited 2025 Dec. 19];9(3):241-6. Available from: https://zen.imath.kiev.ua/index.php/mfat/article/view/218