## Functiones et Approximatio Commentarii Mathematici

Functiones et Approximatio, Commentarii Mathematici is a mathematical journal edited by the Faculty of Mathematics and Computer Science of Adam Mickiewicz University since 1974. The journal publishes original papers in mathematics, with special attention to analysis (in a broad sense) and number theory.

Non-vanishing of derivatives of certain modular $L$-functionsVolume 51, Number 1 (2014)