Excitation and Propagation of Exchange Spin Waves in Ferrite Films with Nonuniformity of Magnetic Parameters across the Film Thickness A. G. Temiryazev, M. P. Tikhomirova, P. E. Zilberman et A. V. MaryakhinJ. Phys. IV France, 07 C1 (1997) C1-395-C1-398DOI: https://doi.org/10.1051/jp4:19971160