TY - JOUR AU - El Kamel, Jamel AU - Yacoub, Chokri TI - Huygens’ principle and equipartition of energy for the modified wave equation associated to a generalized radial Laplacian JO - Annales mathématiques Blaise Pascal PY - 2005 SP - 147 EP - 160 VL - 12 IS - 1 PB - Annales mathématiques Blaise Pascal UR - http://www.numdam.org/articles/10.5802/ambp.199/ DO - 10.5802/ambp.199 LA - en ID - AMBP_2005__12_1_147_0 ER -