@article{PIM_1959_S_S_XIII_13_a4,
     author = {S. Aljan\v{c}i\'c},
     title = {\"Uber {Den} {Perronschen} {Satz} {In} {Der} {Theorie} {Der} {Linearen} {Differenzengleichungen}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {47 },
     publisher = {mathdoc},
     volume = {_S_S_XIII},
     number = {13},
     year = {1959},
     url = {http://geodesic.mathdoc.fr/item/PIM_1959_S_S_XIII_13_a4/}
}