TY - BOOK AU - Sneddon,Ian N. TI - Elements of partial differential equations SN - 0486452972 (pbk) U1 - 515.353 PY - 2006/// CY - New York PB - Dover Publications, Inc KW - Partial equations KW - Mathematics KW - Nonlinear equations KW - Laplaces equations KW - Integral surfaces KW - Boundary values KW - Wave equation KW - RICAS KW - FBSH N1 - Includes index ER -