Maheswaran A. Characterization of Delta Operator for Poisson-Charlier Polynomials. Jour. Inform. Math. Sci. [Internet]. 2018 Apr. 30 [cited 2025 Jun. 20];10(1-2):33-4. Available from: http://www.journals.rgnpublications.com/index.php/jims/article/view/675