Kalra, Savita, Ajit Iqbal Singh, and H. L. Vasudeva. 1989. “The Algebra A<sub>p</Sub>((0, &#8734;)) With Order Convolution and Its Multipliers”. The Journal of the Indian Mathematical Society 54 (1-4):47-63. https://informaticsjournals.co.in/index.php/jims/article/view/21873.