1.
Gryshchuk SV. Commutative сomplex algebras of the second rank with unity and some cases of the plane orthotropy. II. Ukr. Mat. Zhurn. [Internet]. 2018 Oct. 25 [cited 2025 Dec. 5];70(10):1382-9. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/1642