TY - BOOK AU - Kohler,W.E. AU - Johnson,Lee W. TI - Elementary differential equations with boundary value problems SN - 0321121643 (hbk.) U1 - 515.35 PY - 2004/// CY - Boston, MA PB - Pearson/Addison-Wesley KW - Differential equations KW - Boundary value problems N1 - Includes index; Interactive differential equations 2000 release ER -