@article{fritsch:1973:a443,
    author = {Fritsch, F. N. and Shafer, R. E. and Crowley, W. P.},
     title = {Solution of the transcendental equation $we^w = x$},
   journal = {Comm. ACM},
    volume = {16},
      year = {1973},
    number = {2},
     pages = {123–124},
      note = {Includes Fortran code.},
      issn = {0001-0782},
       doi = {10.1145/361952.361970}}