@article{AMBP_2011__18_2_231_0,
     author = {Thiel, Anne-Laure},
     title = {Categorification of the virtual braid groups},
     journal = {Annales math\'ematiques Blaise Pascal},
     pages = {231--243},
     publisher = {Annales math\'ematiques Blaise Pascal},
     volume = {18},
     number = {2},
     year = {2011},
     doi = {10.5802/ambp.297},
     zbl = {1260.20059},
     mrnumber = {2896487},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/ambp.297/}
}