@techreport{5240, title = {A New Projected Quasi-Newton Approach for the Nonnegative Least Squares Problem}, author = {Kim, D. and Sra, S. and Dhillon, I.}, number = {TR-06-54}, organization = {Max-Planck-Gesellschaft}, institution = {Univ. of Texas, Austin}, school = {Biologische Kybernetik}, month = dec, year = {2006}, doi = {}, month_numeric = {12} }