TY - BOOK AU - Hörmander,Lars TI - Lectures on nonlinear hyperbolic differential equations T2 - Mathematiques and Applications SN - 3540629211 AV - QA377 .H629 1997 PY - 1997/// CY - Paris PB - Springer-Verlag KW - Differential equations, Hyperbolic KW - Differential equations, Nonlinear N1 - Includes bibliographical references and index ER -