@article{10_4064_sm_6_1_162_189,
     author = {M. Krzy\.za\'nski and J. Schauder},
     title = {Quasilineare {Differentialgleichungen} zweiter {Ordnung} vom hyperbolischen {Typus.} {Gemischte} {Randwertaufgaben}},
     journal = {Studia Mathematica},
     pages = {162--189},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {1936},
     doi = {10.4064/sm-6-1-162-189},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-6-1-162-189/}
}