TY - BOOK AU - Tyagi Surat Singh AU - Prof M P Srivastava Supervisor AU - University of Delhi. Faculty of Science. Department of Physics and Astrophysics ED - University of Delhi. Faculty of Science. Department of Physics and Astrophysics TI - General formulation for the ponderomotive force in laser produced plasma and associated nonlinear problems PY - 1989/// KW - PHYSICS ER -