TY - JOUR AU - O. V. Ivashchuk PY - 2013/04/25 Y2 - 2024/03/29 TI - Periodic solutions of a system with impulsive action at nonfixed times JF - Ukrains’kyi Matematychnyi Zhurnal JA - Ukr. Mat. Zhurn. VL - 65 IS - 4 SE - Research articles DO - UR - https://umj.imath.kiev.ua/index.php/umj/article/view/2433 AB - We obtain conditions for the existence of a periodic solution of a system with impulses at variable times. ER -