Baydaş, Ş. And Karakaş, B. 2011. A Group Structure on S2+/~. Groups, Algebras and Geometries , no.28 , 225-232.

Baydaş, Ş., & Karakaş, B., (2011). A Group Structure on S2+/~. Groups, Algebras and Geometries , no.28, 225-232.

Baydaş, Şenay, And Bülent Karakaş. "A Group Structure on S2+/~," Groups, Algebras and Geometries , no.28, 225-232, 2011

Baydaş, Şenay And Karakaş, Bülent. "A Group Structure on S2+/~." Groups, Algebras and Geometries , no.28, pp.225-232, 2011

Baydaş, Ş. And Karakaş, B. (2011) . "A Group Structure on S2+/~." Groups, Algebras and Geometries , no.28, pp.225-232.

@article{article, author={Şenay Baydaş And author={Bülent Karakaş}, title={A Group Structure on S2+/~}, journal={Groups, Algebras and Geometries}, year=2011, pages={225-232} }