Ordinal Excitation of Three-Magnon and Four-Magnon Processes of Magnetostatic Surface Waves in YIG Films S. Jun, S. A. Nikitov, R. Marcelli, P. De Gasperis et J. PelzlJ. Phys. IV France, 07 C1 (1997) C1-457-C1-458DOI: https://doi.org/10.1051/jp4:19971186