@article{VSPUI_2016_1_a7,
     author = {O. A. Mitrofanova and V. M. Bure and E. V. Kanash},
     title = {Math module to automate the colorimetric method for estimating nitrogen status of plants},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {85--91},
     publisher = {mathdoc},
     number = {1},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2016_1_a7/}
}