@article{PIM_1962_N_S_02_16_a4,
     author = {Robert Sauer},
     title = {Anwendung {Eines} {Neuen} {Differenzenverfahrens} {Auf} {Die} {Ausbreitung} {Nichtlinearer} {Druckwellen}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {43 },
     publisher = {mathdoc},
     volume = {_N_S_02},
     number = {16},
     year = {1962},
     url = {http://geodesic.mathdoc.fr/item/PIM_1962_N_S_02_16_a4/}
}