@article{erdelyi:1944:ceo,
    author = {Erd{\'e}lyi, A.},
     title = {Certain expansions of solutions of the {H}eun equation},
   journal = {Quart. J. Math., Oxford Ser.},
    volume = {15},
      year = {1944},
     pages = {62–69},
   mrclass = {36.0X},
  mrnumber = {MR0011506 (6,173i)},
mrreviewer = {R. E. Langer},
       doi = {10.1093/qmath/os-15.1.62},
     zblno = {0060.19502}}