TY - JOUR AU - Vyacheslav Kharchenko AU - Yuriy Ponochovnyi AU - Ievgen Babeshko BT - International Journal of Electronics and Telecommunications PY - 2024 T2 - International Journal of Electronics and Telecommunications TI - Multi-fragmental and Multi-phase Availability Models of the Safety-critical I&C Systems with Two-cascade Redundancy ER -