@article{10_21136_AM_1970_103316,
     author = {D\"oring, Boro},
     title = {Einige {S\"atze} \"uber das {Verfahren} der tangierenden {Hyperbeln} in {Banach-R\"aumen}},
     journal = {Applications of Mathematics},
     pages = {418--464},
     publisher = {mathdoc},
     volume = {15},
     number = {6},
     year = {1970},
     doi = {10.21136/AM.1970.103316},
     mrnumber = {0283980},
     zbl = {0214.41201},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1970.103316/}
}