TY - JOUR AU - A. Yu. Perevaryukha TI - Nonlinear model of overfishing for the Volga sturgeon based on cognitive graph of interaction of environmental factors JO - Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ PY - 2016 SP - 92 EP - 106 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGU_2016_1-2_a9/ LA - ru ID - VSGU_2016_1-2_a9 ER -