Criteria for absolute and strong convergence of Fourier series Muharem Avdispahić — 1987 Czechoslovak Mathematical Journal
Euler constants for a Fuchsian group of the first kind Muharem Avdispahić; Lejla Smajlović — 2008 Acta Arithmetica
Summability and integrability of Vilenkin series. Muharem Avdispahic; Medo Pepic — 2000 Collectanea Mathematica