V. M. Prokip, “Structure of Matrices and Their Divisors over the Domain of Principal Ideals”, Ukr. Mat. Zhurn., vol. 54, no. 8, pp. 1143–1148, Aug. 2002, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4153