共 28 条
[11]
ELVEBACK L, 1971, AM J EPIDEMIOL, P267
[15]
GREENHALGH D, 1987, IMA J MATH APPL MED, V4, P109
[20]
OPTIMIZATION MODEL FOR INFLUENZA-A EPIDEMICS
[J].
MATHEMATICAL BIOSCIENCES,
1978, 38 (1-2)
:141-157