中国科学院数学与系统科学研究院期刊网
Asymptotics of the “Minimum L1-Norm” Estimates in Nonparametric Regression Models
Shi Peide, Cheng Ping
Acta Mathematica Sinica . 1994, (3): 276 -288 .  DOI: 10.1007/BF02560718