An integral operator that maps a subclass of starlike functions into itself F. Ahmad — 1987 Matematički Vesnik
Effect of rotation on wave propagation in a transversely isotropic medium. Ahmad, F.; Khan, A. — 2001 Mathematical Problems in Engineering
Guided waves in a fluid-loaded transversely isotropic plate. Ahmad, F.; Kiyani, N.; Yousaf, F.; Shams, M. — 2002 Mathematical Problems in Engineering