Authors
Yeliz Kara
Hacettepe University, Department of Mathematics, Beytepe Campus,, Ankara, Turkey
Adnan Tercan
Hacettepe University, Department of Mathematics, Beytepe Campus,, Ankara, Turkey
© 2017 Yeliz Kara, Adnan Tercan, published by Ovidius University of Constanta
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.