AYIK, G. And Ozer, B. 2015. On semigroup presentations that define a group. SEMIGROUP FORUM , vol.90, no.1 , 149-154.

AYIK, G., & Ozer, B., (2015). On semigroup presentations that define a group. SEMIGROUP FORUM , vol.90, no.1, 149-154.

AYIK, GONCA, And B. Ozer. "On semigroup presentations that define a group," SEMIGROUP FORUM , vol.90, no.1, 149-154, 2015

AYIK, GONCA And Ozer, B.. "On semigroup presentations that define a group." SEMIGROUP FORUM , vol.90, no.1, pp.149-154, 2015

AYIK, G. And Ozer, B. (2015) . "On semigroup presentations that define a group." SEMIGROUP FORUM , vol.90, no.1, pp.149-154.

@article{article, author={GONCA AYIK And author={B. Ozer}, title={On semigroup presentations that define a group}, journal={SEMIGROUP FORUM}, year=2015, pages={149-154} }