SVERSTIUK A, MOSIY L. MATHEMATICAL MODEL OF EXTREMA VARIATIONS IN CHARACTERISTIC WAVES OF ELECTROCARDIOGRAPHIC SIGNALS BASED ON A DISCRETE FUNCTION OF  AMPLITUDE VARIABILITY. Herald of Khmelnytskyi National University. Technical sciences [Internet]. 2025 Aug. 28 [cited 2026 Jan. 26];355(4):404-13. Available from: https://heraldts.khmnu.edu.ua/index.php/heraldts/article/view/1976