The second-order ordinary differential equation
(Moon and Spencer 1961, p. 157; Zwillinger 1997, p. 166).
The second-order ordinary differential equation
(Moon and Spencer 1961, p. 157; Zwillinger 1997, p. 166).
Weisstein, Eric W. "Heine Differential Equation." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/HeineDifferentialEquation.html