On the Bessel Operator $\odot_{B}^{t}$ Related to the Bessel-Helmholtz and Bessel Klein-Gordon Operator. Eur. J. Pure Appl. Math. [Internet]. 2018 Oct. 24 [cited 2024 Nov. 24];11(4):922-8. Available from: https://www.ejpam.com/index.php/ejpam/article/view/3319