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math.GM2019★ 13 cited
Generalized-hypergeometric solutions of the general Fuchsian linear ODE having five regular singularities
A. Ishkhanyan, C. Cesarano
We show that a Fuchsian differential equation having five regular singular points admits solutions in terms of a single generalized hypergeometric function for infinitely many part…
math.CA2019★ 6 cited
On the derivatives of the Heun functions
G. Filipuk, A. Ishkhanyan, J. Dereziński
The Heun functions satisfy linear ordinary differential equations of second order with certain singularities in the complex plane. The first order derivatives of the Heun functions…