@article{PIM_1959_S_S_XIII_13_a12,
     author = {Z. Mamuzi\'c},
     title = {Note {Sur} {L'\'Ecart} {Abstrait} {Et} {Les} {Espaces}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {129 },
     publisher = {mathdoc},
     volume = {_S_S_XIII},
     number = {13},
     year = {1959},
     url = {http://geodesic.mathdoc.fr/item/PIM_1959_S_S_XIII_13_a12/}
}