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.
Hong Feng, Zhizheng Zhang. Combinatorial proofs of identities of Calkin and Hirschhorn. Discrete Mathematics, 277(1-3):287-294, 2004. [doi]
Abstract is missing.