Some variable coefficients often in special function theory of ordinary differential equations, differential equations can be through the appropriate transformation into the equation of the Bessel equation, we have such equations is defined as the Bessel class of equations. Analysis in the literatur

In the special function theory, differential equations often have some variable coefficients can be used with differential equations and the appropriate transformation for Bessel equation, we have the equations such equations are defined as the class equation. In the literature [ 1] The analysis and