Solution
= Solution
The point $z_0$ is an <ordinary point criterion for a second-order equation>[ordinary point] when both $p$ and $q$ are <holomorphic function>[holomorphic] at $z_0$.
= Solution
The point $z_0$ is an <ordinary point criterion for a second-order equation>[ordinary point] when both $p$ and $q$ are <holomorphic function>[holomorphic] at $z_0$.