planet 4dGeneralized Tonnetze, Spectral Applications. ->Some isometries in the Tonnetz discovered by G. Mazzola and formalized in the 4D space by Emmanuel.Amiot and Guillaume Baxias.210 Followers, 99 Following, 16 Posts - 4D.planet (@4d.planet) on : Hành tinh nơ xinh Ở đây có ruy băng Seventeen