[1]
N. N. Semko, “Structure of locally graded CDN (]-groups”, Ukr. Mat. Zhurn., vol. 50, no. 11, pp. 1532–1536, Nov. 1998, Accessed: Apr. 13, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4805