@article{ARM_1993__29_3-4_a2,
     author = {\'Ciri\'c, Ljubomir B.},
     title = {On {Diviccaro,} {Fisher} and {Sessa} open questions},
     journal = {Archivum mathematicum},
     pages = {145--152},
     publisher = {mathdoc},
     volume = {29},
     number = {3-4},
     year = {1993},
     mrnumber = {1263115},
     zbl = {0810.47051},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1993__29_3-4_a2/}
}