P. V. Gadagkar. Initial Value Linear Evolutions Equations Involving Elliptic Operator on the Plane. Int. J. Math. And Appl. [Internet]. 2017 Jul. 15 [cited 2024 Jul. 22];5(3 - A):9-12. Available from: https://ijmaa.in/index.php/ijmaa/article/view/839