On the Size of Monotone Span Programs.

Ventzislav Nikov Svetla Nikova Bart Preneel On the Size of Monotone Span Programs. 249-262 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3352&spage=249 2004 conf/scn/2004 SCN db/conf/scn/scn2004.html#NikovNP04