Peregorodova Е. N. RussiaSaratov Saratov State University, ul. Astrakhanskaya, 83, Saratov, 410012, Russia jinkss@yandex.ru Additional info Область научных интересов – синхронизация многомодовых нелинейных динамических систем. Author's articles SYNCHRONIZATION OF THE SYSTEM OF TWO COMPETING MODES BY EXTERNAL HARMONIC SIGNAL