@article{10_21136_CMJ_1972_101095,
     author = {Belna, Charles L.},
     title = {On the 3-segment property for complex-valued functions},
     journal = {Czechoslovak Mathematical Journal},
     pages = {238--241},
     year = {1972},
     volume = {22},
     number = {2},
     doi = {10.21136/CMJ.1972.101095},
     mrnumber = {0301200},
     zbl = {0245.30030},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1972.101095/}
}