@article{MAN_1957__134_160597,
     author = {K. Jacobs},
     title = {Fastperiodische {Markoffsche} {Prozesse.}},
     journal = {Mathematische Annalen},
     pages = {408--427},
     publisher = {mathdoc},
     volume = {134},
     year = {1957},
     url = {http://geodesic.mathdoc.fr/item/MAN_1957__134_160597/}
}