@article{MOMA_1973__77_177661,
     author = {Richard B. Lakein},
     title = {Approximation {Properties} of {Some} {Complex} {Continued} {Fractions.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {396--403},
     publisher = {mathdoc},
     volume = {77},
     year = {1973},
     zbl = {0307.10033},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1973__77_177661/}
}