Sra, S. Dept. Empirical Inference, Max Planck Institute for Intelligent Systems, Max Planck Society;
Kim, D., Sra, S., & Dhillona, I. (2013). A non-monotonic method for large-scale non-negative least squares. Optimization Methods and Software, 28(5), 1012-1039. doi:10.1080/10556788.2012.656368.