DhaliwalR.S., RokneJ., and SinghB. M. “On Closed-Form Solutions of Triple Series Equations Involving Laguerre Polynomials”. Ukrains’kyi Matematychnyi Zhurnal 62, no. 2 (February 25, 2010): 231 -. Accessed November 23, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2859.