Raju, R. G., M. R. Salestina, and N. B. Gatti. “Coefficient Problems on Bi-Univalent Functions With \((p,q)\)-Gegenbauer Polynomials”. Communications in Mathematics and Applications, vol. 15, no. 3, Nov. 2024, pp. 1011-9, doi:10.26713/cma.v15i3.2742.