@article{gramtcheff:1981:aaf,
    author = {Gramtcheff, Todor V.},
     title = {An application of {A}iry functions to the {T}ricomi problem},
   journal = {Math. Nachr.},
  fjournal = {Mathematische Nachrichten},
    volume = {102},
      year = {1981},
    number = {1},
     pages = {169–181},
      issn = {0025-584X},
     coden = {MTMNAQ},
   mrclass = {35M05},
  mrnumber = {MR642149 (83c:35083)},
mrreviewer = {John M. S. Rassias},
       doi = {10.1002/mana.19811020114},
     zblno = {0496.35064}}