KOZAK O, SAMOTYY V. APPROXIMATION OF FREQUENCY DOUBLER MAGNETIZATION CURVES BASED ON A SECOND-ORDER POLYNOMIAL. Herald of Khmelnytskyi National University. Technical sciences [Internet]. 2025 Jun. 6 [cited 2026 Jan. 26];351(3.1):199-204. Available from: https://heraldts.khmnu.edu.ua/index.php/heraldts/article/view/1651