Suvarnamani A, Singta A, Chotchaisthit S. On two diophantine equations 4x + 7y = z2 and 4x + 11y = z2. Prog Appl Sci Tech. [Internet]. 2011 Aug. 23 [cited 2024 May 11];1(1):25-8. Available from: https://ph02.tci-thaijo.org/index.php/past/article/view/243265