| Affiliation: | 1. Institute of Mathematics, University of Bordeaux, UMR CNRS 5251, 3 ter place de la Victoire, 33076 Bordeaux Cedex, France;2. Laboratoire: Systèmes Dynamiques et Applications, Faculty of Sciences, Department of Mathematics, University of Tlemcen, Algeria;3. Faculty of Sciences, Departement of Mathématics, University of Tlemcen, Algeria;1. Department of Cardiology, Ina Central Hospital, Nagano, Japan;2. Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan;3. Department of Cardiology, Aizawa Hospital, Nagano, Japan;4. Department of Cardiology, Nagano Municipal Hospital, Nagano, Japan |
