@article{DMTCS_2010_12_4_a7,
     author = {Bertoni, Alberto and Radicioni, Roberto},
     title = {Grammatical compression: compressed equivalence and other problems},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {2010},
     doi = {10.46298/dmtcs.526},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.526/}
}