TY  - JOUR
AU  - Daniel K. Du
AU  - Qing-Hu Hou
TI  - Partially ordinal sums and \(P\)-partitions
JO  - The electronic journal of combinatorics
PY  - 2012
VL  - 19
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.37236/2524/
DO  - 10.37236/2524
ID  - 10_37236_2524
ER  -