TY  - JOUR
AU  - Borodin, Oleg V.
TI  - A structural property of planar graphs and the simultaneous colouring of their edges and faces
JO  - Mathematica slovaca
PY  - 1990
SP  - 113
EP  - 116
VL  - 40
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_1990__40_2_a0/
LA  - en
ID  - MASLO_1990__40_2_a0
ER  -