TY - RPRT TI - Multigrid techniques for nonlinear eigenvalue probems: Solutions of a nonlinear Schroedinger eigenvalue problem in 2D and 3D AU - Costiner, Sorin AU - Taasan, Shlomo PY - 1994 UR - https://ntrs.nasa.gov/citations/19950010481 ID - 19950010481 ER -