TY - JOUR AU - B. G. Zaslavski TI - Non-negative controls for populations and society-size dynamics JO - Doklady Akademii Nauk PY - 1983 SP - 43 EP - 46 VL - 269 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1983_269_1_a9/ LA - ru ID - DAN_1983_269_1_a9 ER -