@article{MASLO_1990__40_2_a0,
     author = {Borodin, Oleg V.},
     title = {A structural property of planar graphs and the simultaneous colouring of their edges and faces},
     journal = {Mathematica slovaca},
     pages = {113--116},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {1990},
     mrnumber = {1094765},
     zbl = {0733.05068},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1990__40_2_a0/}
}