TY  - JOUR
AU  - Jung, Hyung Chan
AU  - Lee, Jeh Gwon
TI  - On the jump number of lexicographic sums of ordered sets
JO  - Czechoslovak Mathematical Journal
PY  - 2003
SP  - 343
EP  - 349
VL  - 53
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMJ_2003__53_2_a9/
LA  - en
ID  - CMJ_2003__53_2_a9
ER  -