Patsegon, Nikolai F., and PotseluievSergei І. “The Volumetric Parametric Resonance in Magnetizable Medium”. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics 810 (December 29, 2015): 20-35. Accessed May 19, 2024. https://periodicals.karazin.ua/mech_math/article/view/4645.