Abhisekh Shekhar 2026. Bessel Type Function $J^{\theta}_{\beta}$, Bessel Type Operator $\Delta^{\theta}_{\beta}$ and Fractional Fourier-Bessel Type Transform $\mathcal{F}^\theta_{\beta}$. International Journal of Mathematics And its Applications. 13, 4 (Jan. 2026), 159–168.