TY  - JOUR
AU  - Duffy, Christopher
AU  - Shan, Sonja Linghui
TI  - On the existence and non-existence of improper homomorphisms of oriented and $2$-edge-coloured graphs to reflexive targets
JO  - Discrete mathematics & theoretical computer science
PY  - 2021-2022
VL  - 23
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.6773/
DO  - 10.46298/dmtcs.6773
LA  - en
ID  - DMTCS_2021_23_1_a6
ER  -