Team S. Unitary Analogues of Some Arithmetic Functions: Pussadee Yangklan, Vichian Laohakosol, Pattira Ruengsinsub, Sukrawan Mavecha. Thai J Math [Internet]. 2020 Jan. 5 [cited 2024 Jul. 3];:127–134. Available from: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/944