TY  - JOUR
AU  - O. V. Borodin
TI  - Acyclic 4-colorability of planar graphs without 4- and 5-cycles
JO  - Diskretnyj analiz i issledovanie operacij
PY  - 2010
SP  - 20
EP  - 38
VL  - 17
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DA_2010_17_2_a1/
LA  - ru
ID  - DA_2010_17_2_a1
ER  -