@article{JRAM_1962__211_150544,
     author = {R.B. Dingle and H.J.W. M\"uller},
     title = {Asymptotic {Expansions} of {Mathieu} {Functions} and their {Characteristic} {Numbers.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {11--32},
     publisher = {mathdoc},
     volume = {211},
     year = {1962},
     zbl = {0129.05601},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1962__211_150544/}
}