| Affiliation: | 1. Laboratoire Ondes et Milieux Complexes (LOMC) UMR CNRS 6294, Université Le Havre Normandie, France;2. Département de Mathématiques, Université de Lomé, Togo;1. Acoustics Division, U.S. Naval Research Laboratory, Stennis Space Ctr., MS 39529, USA;2. Dipartimento di Ingegneria, Università degli Studi di Perugia, 06125 Perugia, Italy;1. Meiji Institute for Advanced Study of Mathematical Sciences, Meiji University, 4-21-1 Nakano, Nakano-ku, Tokyo, 164-8525, Japan;2. Department of Mathematics, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh;3. Graduate School of Advanced Mathematical Sciences, Meiji University, 4-21-1 Nakano, Nakano-ku, Tokyo, 164-8525, Japan |
