Deval Sidi Mohamed. “Solution of the Generalized Pythagorean Equation; X2+y2=n!  and Formula  ?  by Number Theory”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 104, no. 1, June 2026, pp. 193-11, https://asrjetsjournal.org/American_Scientific_Journal/article/view/12240.