TY - BOOK AU - Kohler,W.E. AU - Johnson,Lee W. TI - Elementary differential equations with boundary value problems SN - 0321121643 AV - QA371 .K855 2004 U1 - 515/.35 22 PY - 2004/// CY - Boston, MA PB - Pearson/Addison-Wesley KW - Differential equations KW - Boundary value problems N1 - Includes index ER -