Botyuk AO, Khoma GP, Khoma LG. Existence of the Vejvoda-Shtedry spaces. Ukr. Mat. Zhurn. [Internet]. 1997Feb.25 [cited 2024Jul.27];49(2):302–308. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/5007