TY - JOUR AU - O. I. Il'in TI - On the optimal exploitation of fish populations with an age structure JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2007 SP - 43 EP - 57 VL - 10 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2007_10_3_a5/ LA - ru ID - SJIM_2007_10_3_a5 ER -