@article{MMNP_2009_4_5_a1,
     author = {A. K. Cherkashin},
     title = {Polysystem {Modelling} of {Geographical} {Processes} and {Phenomena} in {Nature} and {Society}},
     journal = {Mathematical modelling of natural phenomena},
     pages = {4--20},
     publisher = {mathdoc},
     volume = {4},
     number = {5},
     year = {2009},
     doi = {10.1051/mmnp/20094501},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20094501/}
}