@article{MM_1999_11_10_a2,
     author = {O. V. Fel'dman},
     title = {Flow models of agricultural systems},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {31--48},
     publisher = {mathdoc},
     volume = {11},
     number = {10},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1999_11_10_a2/}
}