Frequency mixing in a ferrimagnetic sphere resonator Cijy Mathai, Sergei Masis, Oleg Shtempluck, Shay Hacohen-Gourgy and Eyal Buks EPL, 131 6 (2020) 67001 Published online: 13 October 2020 DOI: 10.1209/0295-5075/131/67001