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.
K. G. Beauchamp, Lokenath Debnath. Walsh Functions and Their Applications. IEEE Transactions on Systems, Man, and Cybernetics, Part A, 9(1):67, 1979. [doi]