%0 Journal Article %A A. Ya. Khokhryakov %T On the stability of a periodic solution of a system of three differential equations %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1963 %P 134-139 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1963_2_a15/ %G ru %F IVM_1963_2_a15