TY  - JOUR
AU  - Ivan Tafteberg Jakobsen
TI  - On a certain homomorphism properties of graphs II.
JO  - Mathematica Scandinavica
PY  - 1983
SP  - 229
EP  - 261
VL  - 52
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1983__52_166842/
ID  - MS2_1983__52_166842
ER  -