1.
Yakymiv RY, Proskurin DP, Ostrovskyi VL. Representations of relations with orthogonality condition and their deformations. MFAT [Internet]. 2012 Dec. 25 [cited 2025 Dec. 16];18(4):373-86. Available from: https://zen.imath.kiev.ua/index.php/mfat/article/view/528