@article{LJM_2005_19_a3,
     author = {Zh.-G. Wang},
     title = {A new subclass of quasi-convex functions with respect to $k$-symmetric points},
     journal = {Lobachevskii journal of mathematics},
     pages = {41--50},
     publisher = {mathdoc},
     volume = {19},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/LJM_2005_19_a3/}
}