@article{DAN_1983_269_1_a9,
     author = {B. G. Zaslavski},
     title = {Non-negative controls for populations and society-size dynamics},
     journal = {Doklady Akademii Nauk},
     pages = {43--46},
     publisher = {mathdoc},
     volume = {269},
     number = {1},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_269_1_a9/}
}