@article{ELMA_1961__16_140723,
     author = {A. Rotkiewicz},
     title = {Sur le probl\`eme de {Catalan.} {II.}},
     journal = {Elemente der Mathematik},
     pages = {25--27},
     publisher = {mathdoc},
     volume = {16},
     year = {1961},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1961__16_140723/}
}