%0 Journal Article %A N. B. Ayupova %A V. P. Golubyatnikov %T Phase portraits of two nonlinear models of circular gene networks %J Matematičeskie zametki SVFU %D 2023 %P 3-13 %V 30 %N 2 %U http://geodesic.mathdoc.fr/item/SVFU_2023_30_2_a0/ %G ru %F SVFU_2023_30_2_a0