TY - BOOK A1 - Beals, Michael TI - Propagation and interaction of singularities in nonlinear hyperbolic problems PB - كتابخانه مركزی دانشگاه صنعتی شریف SN - 72104810 UR /book/72104810/Propagation-and-interaction-of-singularities-in-no/ ER -