TY - BOOK AU - Grinfeld,M. AU - Egorov,YuV. AU - Shubin,M.A. TI - Partial differential equations III: the Cauchy problems. Qualitative theory of partial differential equations SN - 3540520031 : U1 - 515.353 PY - 1991/// CY - Berlin PB - Springer-Verlag KW - Differential equations, Partial KW - Cauchy problem N1 - Includes bibliographical references and index ER -