About this article
Published Online: Dec 05, 2019
Page range: 137 - 144
Received: Jan 13, 2019
Accepted: Jun 19, 2019
DOI: https://doi.org/10.2478/aupcsm-2019-0010
Keywords
© 2019 Ahmet Daşdemir, published by Sciendo
This work is licensed under a Creative Commons Attribution Share-Alike 4.0 License.
Daşdemir, Ahmet
Department of Mathematics, Kastamonu UniversityTurkey