中国科学院数学与系统科学研究院期刊网
An Orthogonality-based Estimation with Two Steps for Varying Coefficient Mixed-effects Model
LI Jingru, QIAN Weimin
Acta Mathematicae Applicatae Sinica . 2014, (2): 247 -264 .  DOI: 10.12387/C2014023