@article{DA_2009_16_5_a2,
     author = {O. V. Borodin},
     title = {Acyclic 3-choosability of plane graphs without cycles of length from~4 to~12},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {26--33},
     publisher = {mathdoc},
     volume = {16},
     number = {5},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2009_16_5_a2/}
}