Partial differential equations II : elements of the modern theory ; equations with constant coefficients / Yu.V. Egorov, M.A. Shubin (Eds.) Different͡sialʹnye uravnenii͡a s chastnymi proizvodnymi. 2. English. Partial differential equations 2. Partial differential equations two. Egorov, I͡U. V. (I͡Uriĭ Vladimirovich) Shubin, M. A. (Mikhail Aleksandrovich), 1944- Differential equations, Partial. QA300 .D471513 1994 19 515.353 EGP Includes bibliographical references and indexes. Berlin ; New York : Springer-Verlag, c1994. c1994. 1994 Text 241 p. : eng eng rus Encyclopaedia of mathematical sciences ; v. 31 Encyclopaedia of mathematical sciences ; v. 31.