@article{NUMA_1985__47_133052,
     author = {Lisa Jacobsen},
     title = {Repeated {Modifications} of {Limit} {k-Periodic} continued {Fractions.}},
     journal = {Numerische Mathematik},
     pages = {577--596},
     publisher = {mathdoc},
     volume = {47},
     year = {1985},
     zbl = {0564.65001},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1985__47_133052/}
}