TY - BOOK AU - Zhang Ping TI - Wigner measure and semiclassical limits of nonlinear Schrodinger equations SN - 978-0-8218-4701-5 U1 - 530.124 PY - 2008/// CY - Providence PB - AMS KW - Nonlinear differential equations KW - Nonlinear theories KW - Schrodinger equation KW - WKB approximation ER -