TY  - JOUR
AU  - Nebeský, Ladislav
TI  - $N_2$-locally connected graphs and their upper embeddability
JO  - Czechoslovak Mathematical Journal
PY  - 1991
SP  - 731
EP  - 735
VL  - 41
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1991.102504/
DO  - 10.21136/CMJ.1991.102504
LA  - en
ID  - 10_21136_CMJ_1991_102504
ER  -