1.
KhavidÑ– KM. Mutual arrangement of subspaces in a finitely meric unitary space . Ukr. Mat. Zhurn. [Internet]. 1966 Oct. 27 [cited 2025 Apr. 9];18(6):130-4. Available from:
https://umj.imath.kiev.ua/index.php/umj/article/view/8470