Authors
Serpil Şahin
Faculty of Arts and Sciences, Department of Mathematics, Amasya University, Amasya, Turkey
Hüseyin Demir
Faculty of Arts and Sciences, Department of Mathematics, Ondokuz Mayıs University, Samsun, Turkey
© 2019 Serpil Şahin, Hüseyin Demir, published by Bialystok University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.