@article{10_1007_s10587_012_0072_z,
     author = {\"Ozdemir, M. Emin and Akdemir, Ahmet Ocak and Y{\i}ld{\i}z, \c{C}etin},
     title = {On co-ordinated quasi-convex functions},
     journal = {Czechoslovak Mathematical Journal},
     pages = {889--900},
     publisher = {mathdoc},
     volume = {62},
     number = {4},
     year = {2012},
     doi = {10.1007/s10587-012-0072-z},
     mrnumber = {3010246},
     zbl = {1274.26067},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-012-0072-z/}
}