@article{MZM_2000_67_1_a3,
     author = {O. V. Borodin and A. V. Kostochka and A. Raspaud and E. Sopena},
     title = {Acyclic $k$-strong coloring of maps on surfaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {36--45},
     publisher = {mathdoc},
     volume = {67},
     number = {1},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_67_1_a3/}
}