On the diophantine equations Jₙ + Jₘ = Lₖ and Lₙ + Lₘ = Jₖ. GJOM [Internet]. 2026 Jan. 7 [cited 2026 Sep. 22];22(1):1-15. Available from: https://www.gjom.org/index.php/gjom/article/view/3814