Cangül, İ. N. 1999. Normal subgroups and elements of H'( ),. Tr. J. of Mathematics , vol.23 , 251-256.

Cangül, İ. N., (1999). Normal subgroups and elements of H'( ),. Tr. J. of Mathematics , vol.23, 251-256.

Cangül, İSMAİL. "Normal subgroups and elements of H'( ),," Tr. J. of Mathematics , vol.23, 251-256, 1999

Cangül, İSMAİL N. . "Normal subgroups and elements of H'( ),." Tr. J. of Mathematics , vol.23, pp.251-256, 1999

Cangül, İ. N. (1999) . "Normal subgroups and elements of H'( ),." Tr. J. of Mathematics , vol.23, pp.251-256.

@article{article, author={İSMAİL NACİ CANGÜL}, title={Normal subgroups and elements of H'( ),}, journal={Tr. J. of Mathematics}, year=1999, pages={251-256} }