@article{ZVMMF_2005_45_7_a3,
     author = {E. Andreeva and N. A. Semykina},
     title = {Optimal control of the spread of an infectious disease with allowance for an incubation period},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1174--1180},
     year = {2005},
     volume = {45},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2005_45_7_a3/}
}