TY - BOOK AU - Rauch, Jeffrey TI - Hyperbolic partial differential equations and geometric optics SN - 9780821872918 U1 - 517.956.3 PY - 2012/// CY - Providence PB - AMS KW - DIFFERENTIAL EQUATIONS, HYPERBOLIC KW - GEOMETRICAL OPTICS-MATHAMATICS KW - MICROLOCAL ANALYSIS KW - SINGULARITIES(MATHEMATICS) ER -