TY  - JOUR
AU  - D. Marcu
TI  - Note on the square of a graph
JO  - Commentationes Mathematicae
PY  - 1987
SP  -  141
EP  - 142
VL  - 27
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/cm.v27i1.6194/
DO  - 10.14708/cm.v27i1.6194
LA  - pl
ID  - 10_14708_cm_v27i1_6194
ER  -