Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Emden R. Gansner. On the lattice of order ideals of an up-down poset. Discrete Mathematics, 39(2):113-122, 1982. [doi]
Abstract is missing.