@article{muller:1962:aeo,
    author = {M{\"u}ller, H. J. W.},
     title = {Asymptotic expansions of oblate spheroidal wave functions and
              their characteristic numbers},
   journal = {J. Reine Angew. Math.},
    volume = {211},
      year = {1962},
     pages = {33–47},
   mrclass = {33.28},
  mrnumber = {MR0143966 (26 \#1514)},
mrreviewer = {J. Meixner},
     zblno = {0129.28501}}