%0 Journal Article %A A. A. Kashchenko %T Relaxation cycles in a~model of two weakly coupled oscillators with sign-changing delayed feedback %J Teoretičeskaâ i matematičeskaâ fizika %D 2020 %P 437-446 %V 202 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2020_202_3_a9/ %G ru %F TMF_2020_202_3_a9