Your search returned the following 2 documents:

2. Lower Bounds for the Matrix Chain Ordering Problem
   Phillip Gnassi Bradford, Venkatesh Choppela, and Gregory J.E. Rawlins
   In: LATIN'95: Theoretical Informatics, 2nd Latin American Symposium, Valparaiso, Chile, April, 3rd - 7th, 1995, 112-130
   
1. Efficient Matrix Chain Ordering in Polylog Time
   Phillip Gnassi Bradford, Gregory J.E. Rawlins, and Greogory E. Shannon
   SIAM Journal on Computing 27 (2): 466-490, 1998