Question: Hint for differential equation like Bessel equation

Is there any possibility for maple 16 or  any version, to show steps for this kind of Differential Equation.

>restart;

>diff(diff(psi(x),x),x)+ ((1/4)*(-3+lambda^2)/x^2)*psi(x)-I*lambda/x^2*psi(x)+E*psi(x)=0;

it has a Bessel solution, just want to check like Hint, if substitution method can be apply, just as FROBENIUS’METHOD works. Thanks
                

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