@article{JRAM_1962__211_150559,
     author = {H.J.W. M\"uller},
     title = {On {Asymptotic} {Expansions} of {Mathieu} {Functions.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {179--190},
     publisher = {mathdoc},
     volume = {211},
     year = {1962},
     zbl = {0111.06605},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1962__211_150559/}
}