On common fixed points, periodic points, and recurrent points of continuous functions. Alikhani-Koopaei, Aliasghar — 2003 International Journal of Mathematics and Mathematical Sciences
A counter example on common periodic points of functions. Alikhani-Koopaei, Aliasghar — 1998 International Journal of Mathematics and Mathematical Sciences
On common fixed and periodic points of commuting functions. Alikhani-Koopaei, Aliasghar — 1998 International Journal of Mathematics and Mathematical Sciences