抛物方程R－T元解的整体超逼近性质

宋永志，范传强

Research on the Bulk Superconvergence of the R-T  Elements Solution to Parabolic Equation 

SONG Yong-zhi， FAN Chuan-qiang

辽宁石油化工大学学报 . 2008, (2): 81 -84 .