%0 Journal Article %A E. V. Ashikhmina %A Yu. G. Izrailsky %A E. Ya. Frisman %T Harvest optimization for Rikker's population, when environment parameters limiting population growth change cyclically %J Dalʹnevostočnyj matematičeskij žurnal %D 2003 %P 127-133 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DVMG_2003_4_1_a12/ %G ru %F DVMG_2003_4_1_a12