中国科学院数学与系统科学研究院期刊网
Variational Characterization of Multitype Galton-Watson Branching Processes
Ying Wang
Acta Mathematicae Applicatae Sinica(English Series) . 2014, (1): 27 -36 .  DOI: 10.1007/s10255-014-0266-2