%0 Journal Article %A R. I. Korzhik %A S. P. Zhogal %T The regimes functioning of non-autonomous van der Pol oscillator with delay and external harmonic effect %J Problemy fiziki, matematiki i tehniki %D 2012 %P 50-53 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2012_4_a8/ %G ru %F PFMT_2012_4_a8