%0 Journal Article
%A Daniel K. Du
%A Qing-Hu Hou
%T Partially ordinal sums and \(P\)-partitions
%J The electronic journal of combinatorics
%D 2012
%V 19
%N 4
%U http://geodesic.mathdoc.fr/articles/10.37236/2524/
%R 10.37236/2524
%F 10_37236_2524