Research notes on a density problem of Erdős. Akbik, Safwan — 1999 International Journal of Mathematics and Mathematical Sciences
Factorial ratios that are integers. Akbik, Safwan — 1995 International Journal of Mathematics and Mathematical Sciences
A special prime divisor of the sequence: a h + b , a ( h + 1 ) + b , ⋯ , a ( h + k - 1 ) + b . Akbik, Safwan — 1991 International Journal of Mathematics and Mathematical Sciences
On a class of Diophantine equations. Akbik, Safwan — 2002 International Journal of Mathematics and Mathematical Sciences