TY - BOOK AU - Roach G F TI - Wave scattering by time-dependent perturbations: an introduction SN - 978-0-691-11340-1 U1 - 531.1133 PY - 2007/// CY - Princeton PB - Princeton Univ Press KW - Perturbation(Mathematics) KW - Scattering(Physics)-mathematics KW - Waves-mathematics ER -