TY  - JOUR
AU  - Jasmina Ferme
TI  - A characterization of 4-χ ρ -(vertex-)critical graphs
JO  - Filomat
PY  - 2022
SP  - 6481 
VL  - 36
IS  - 19
UR  - http://geodesic.mathdoc.fr/articles/10.2298/FIL2219481F/
DO  - 10.2298/FIL2219481F
LA  - en
ID  - 10_2298_FIL2219481F
ER  -