@article{DMTCS_2008_special_254_a28,
     author = {Kozik, Jakub},
     title = {Subcritical pattern languages for and/or trees},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {DMTCS Proceedings vol. AI, Fifth Colloquium on Mathematics and Computer Science},
     year = {2008},
     doi = {10.46298/dmtcs.3582},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.3582/}
}