@article{DMTCS_2009_11_2_a4,
     author = {Kolarz, Michal and Moczurad, Wlodzimierz},
     title = {Directed figure codes are decidable},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {2009},
     doi = {10.46298/dmtcs.455},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.455/}
}