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.
Robin Chapman, Kimmo Eriksson, Richard P. Stanley. Problem 10847. The American Mathematical Monthly, 108(1):77, 2001. [doi]
Abstract is missing.