@article{MASLO_1988_38_1_a7,
     author = {Ger, Roman},
     title = {Almost approximately convex functions},
     journal = {Mathematica slovaca},
     pages = {61--78},
     year = {1988},
     volume = {38},
     number = {1},
     mrnumber = {945081},
     zbl = {0641.39006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1988_38_1_a7/}
}