@article{ISU_2007_7_2_a13,
     author = {V. O. Chervanev},
     title = {Estimation of structure and parameters of the atmospheric air pollution monitoring observant network},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {61--65},
     year = {2007},
     volume = {7},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2007_7_2_a13/}
}