Kishore, Jugal, Vipin Verma, and Ajay Kumar Sharma. “Some Identities on Sums of Finite Products of Chebyshev Polynomials of the Third and Fourth Kinds”. Communications in Mathematics and Applications 14, no. 1 (May 9, 2023): 59–66. Accessed June 16, 2025. http://www.journals.rgnpublications.com/index.php/cma/article/view/2079.