Panigrahi, T. and Mohapatra, S.K. 2021. Coefficient Estimates for Bi-univalent Functions Defined by (P, Q) Analogue of the Salagean Differential Operator Related to the Chebyshev Polynomials. Journal of Mathematical and Fundamental Sciences. 53, 1 (May 2021), 49-66. DOI:https://doi.org/10.5614/j.math.fund.sci.2021.53.1.4.