S. Saranya, V. Pandichelvi. Classification of an exquisite diophantine 4-tuples bestow with an order. Malaya J. Mat. [Internet]. 2021 Jan. 1 [cited 2024 Jul. 16];9(01):612-5. Available from: https://www.malayajournal.org/index.php/mjm/article/view/1091