@article{10_37236_9766,
     author = {Jes\'us Salas and Alan D.  Sokal},
     title = {The {Graham-Knuth-Patashnik} recurrence: symmetries and continued fractions},
     journal = {The electronic journal of combinatorics},
     year = {2021},
     volume = {28},
     number = {2},
     doi = {10.37236/9766},
     zbl = {1464.05006},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/9766/}
}