TY - BOOK AU - Encyclopaedia of Mathematical Sciences AU - Egorov, Yu V. ; ed. AU - Shubin, M. A. ; jt. ed. TI - Partial differential equations; Pt.II - Elements of the modern theory ; equations with constant coefficients T2 - Encyclopaedia of Mathematical Sciences U1 - 510.3 PY - 1994/// CY - New York PB - Springer-Verlag N1 - "Purchased under NBHM grant for the year 1998-99" ER -