1. Advanced Mathematical Methods for Scientists and Engineers;BENDER,1978
2. BERS, A. 1983, Space-time evolution of plasma instabilities — absolute and convective, Handbook of Plasma Physics, M. N. Rosenbluth, R. Z. Sagdeev, 451, 517, Amsterdam, North– Holland
3. Electron-Stream Interaction with Plasmas;BRIGGS,1964
4. A frequency selection criterion in spatially developing flows;CHOMAZ;Studies in Applied Mathematics,1991
5. Absolute and convective instabilities, front velocities and global modes in nonlinear systems;COUAIRON;Physica D,1997