@article{CML_2021__13_2_39_0,
     author = {Dreyfus, Thomas and Hardouin, Charlotte},
     title = {Length derivative of the generating function of walks confined in the quarter plane},
     journal = {Confluentes Mathematici},
     pages = {39--92},
     publisher = {Institut Camille Jordan},
     volume = {13},
     number = {2},
     year = {2021},
     doi = {10.5802/cml.77},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/cml.77/}
}