@article{JGAA_2012_16_2_a3,
     author = {Bojan Mohar and Petr \v{S}koda},
     title = {Minimizing the {Number} of {Label} {Transitions} {Around} a {Nonseparating} {Vertex} of a {Planar} {Graph}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {225--241},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {2012},
     doi = {10.7155/jgaa.00256},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00256/}
}