@article{erdelyi:1942b:ief,
    author = {Erd{\'e}lyi, A.},
     title = {Integral equations for {H}eun functions},
   journal = {Quart. J. Math., Oxford Ser.},
    volume = {13},
      year = {1942},
     pages = {107–112},
   mrclass = {33.0X},
  mrnumber = {MR0007452 (4,140f)},
mrreviewer = {E. Rothe},
       doi = {10.1093/qmath/os-13.1.107},
     zblno = {0060.19503}}