Bradford, Phillip Gnassi Algorithms and Complexity, MPI for Informatics, Max Planck Society;
Bradford, P. G., Choppela, V., & Rawlins, G. J. (1995). Lower Bounds for the Matrix Chain Ordering Problem. In R. Baeza-Yates, E. Goles, & P. V. Poblete (Eds.), LATIN'95: Theoretical Informatics, 2nd Latin American Symposium (pp. 112-130). Berlin: Springer.
