TY - JOUR AU - A.S. Novozhilov TI - Epidemiological Models With Parametric Heterogeneity : Deterministic Theory for Closed Populations JO - Mathematical modelling of natural phenomena PY - 2012 SP - 147 EP - 167 VL - 7 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20127310/ DO - 10.1051/mmnp/20127310 LA - en ID - MMNP_2012_7_3_a9 ER -