@article{AKÇA1998_35680,
author={Z. AKÇA and İ. KOCAYUSUFOĞLU and C. EKİCİ},
title={The norm in taxicab geometry},
year={1998},
journal={Turkish Journal of Mathematics},
issn={1300-0098},
volume={22},
number={3},
url={http://search/yayin/detay/35680}
}