Dibyendu Banerjee and Simul Sarkar (2021) “$(p,q)^{th}$ $\psi-$order and $(p,q)^{th}$ $\psi-$type of Entire and Meromorphic Functions and Some of its Estimation”, International Journal of Mathematics And its Applications, 9(3), pp. 19–31. Available at: http://ijmaa.in/index.php/ijmaa/article/view/39 (Accessed: 4 May 2024).