Abbas Bahri

• Classical and Quantic Periodic Motions of Multiply Polarized Spin-Particles (Research Notes in Mathematics Series)
• Flow lines and algebraic invariants in contact form geometry
• Flow Lines and Algebraic Invariants in Contact Form Geometry
• Flow Lines and Algebraic Invariants in Contact Form Geometry (Progress in Nonlinear Differential Equations and Their Applications)
• Recent progress in conformal geometry
• Critical points at infinity in some variational problems
• Pseudo-orbits of contact forms