Wattanatripop, K. and Kumduang, T. (2023) “The Partial Operation of Formulas with Applications to Formulas Generated by Order-decreasing Mappings”, Thai Journal of Mathematics, pp. 78–90. Available at: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1473 (Accessed: 3 July 2024).