@article{ZVMMF_2008_48_8_a9,
     author = {A. N. Gerasimov and V. N. Razzhevaikin},
     title = {Epidemic dynamics in a heterogeneous incompletely isolated population with allowance for seasonal variations in the infection rate},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1488--1499},
     publisher = {mathdoc},
     volume = {48},
     number = {8},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2008_48_8_a9/}
}