@article{MZ_1959__71_169790,
     author = {Gerhard Kellerhals},
     title = {Randwertprobleme bedingter {Wahrscheinlichkeiten.}},
     journal = {Mathematische Zeitschrift},
     pages = {1--30},
     year = {1959},
     volume = {71},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1959__71_169790/}
}