Belgin, Ö., and B. Gülşah. “RF-Matrices of Arf Numerical Semigroups With Small Multiplicity”. Communications in Mathematics and Applications 14, no. 2 (September 18, 2023): 937–948. Accessed July 3, 2024. https://rgnpublications.com/journals/index.php/cma/article/view/2126.