中国科学院数学与系统科学研究院期刊网
A ULTRACONVERGENT CORRECTED SCHEME FOR FINITE ELEMENT METHOD OF VARIABLE COEFFICIENTS PARABOLIC EQUATIONS
赖军将,朱起定
Mathematica Numerica Sinica . 2005, (4): 355 -368 .  DOI: 10.12286/jssx.2005.4.355