@article{DMTCS_2013_15_2_a4,
     author = {Champarnaud, Jean-Marc and Jeanne, Hadrien and Mignot, Ludovic},
     title = {Derivatives of approximate regular expressions},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {2013},
     doi = {10.46298/dmtcs.598},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.598/}
}