TY - BOOK AU - Yu. V. Egorov,M. A. Shubin AU - Shubin,M. A. TI - PARTIAL DIFFERENTIAL EQUATIONS II SN - 3540520015 U1 - 515.353 PY - 1994/// CY - PB - Springer-Verlag, Berlin KW - Differential Equations N1 - Includes Bibliographical References And Index ER -