4LI Jian, WANG Sienyu. Primary Research on extension control [ A]. Information and Systems [ C]. International Academic Pub- lisher, 1991 ( 1 ) :392 -396.
9CAI WenResearch Institute of Matter-Element Analysis , Guangdong University of Technology , Guangzhou 510090, China.Extension theory and its application[J].Chinese Science Bulletin,1999,44(17):1538-1548. 被引量:132