中国科学院数学与系统科学研究院期刊网
THE CONVERGENCE OF THE MULTIGRID METHOD USING THE SYMMETRIC KACZMARZ ITERATION AS ITS SMOOTHING METHOD
Huang Wei-zhang
Acta Mathematicae Applicatae Sinica . 1993, (1): 100 -106 .  DOI: 10.12387/C1993012