@article{ZVMMF_2012_52_4_a3,
     author = {N. V. Bondarenko and E. V. Grigor'eva and E. N. Khailov},
     title = {Minimization problem of pollution in mathematical model of biological wastewater treatment},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {614--627},
     publisher = {mathdoc},
     volume = {52},
     number = {4},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2012_52_4_a3/}
}