%0 Journal Article %A V. V. Yevstafyeva %T Criterion for the Existence of Two-Point Oscillatory Solution of a Perturbed System with a Relay %J Matematičeskie zametki %D 2023 %P 260-273 %V 114 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2023_114_2_a7/ %G ru %F MZM_2023_114_2_a7