@article{MAT_1959_3_2_a3,
     author = {H. O. Cordes},
     title = {\"Uber die erste {Randwertaufgabe} bei quasilinearen {Differentialgleichungen} zweiter {Ordnung} in mehr 
},
     journal = {Matematika},
     pages = {75--108},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1959},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1959_3_2_a3/}
}