KRÜGER, Marcel; FEENEY JR., Don Michael. A Proof-of-Concept Deterministic Phase-Memory Operator for Respiratory Instability Detection Using Chest-Mounted Smartphone IMU Signals. Smart Wearable Technology, [S. l.], 2026. DOI: 10.47852/bonviewSWT62029484. Disponível em: https://ojs.bonviewpress.com/index.php/SWT/article/view/9484. Acesso em: 21 may. 2026.