@article{MOMA_1980__90_177987,
     author = {Charles Osgood},
     title = {The {Approximation} of {Solutions} to {Linear} {Homogeneous} {Differential} {Equations} by {Rational} {Functions.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {143--152},
     publisher = {mathdoc},
     volume = {90},
     year = {1980},
     zbl = {0431.10021},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1980__90_177987/}
}