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.
Meng Wang, Weiyu Xu, Ao Tang. A Unique Nonnegative Solution to an Underdetermined System: From Vectors to Matrices. IEEE Transactions on Signal Processing, 59(3):1007-1016, 2011. [doi]
Abstract is missing.