TY - BOOK T1 - Elementary differential equations with boundary value problems A1 - Kholer, Werner E. A2 - Lees, Johnson LA - English PP - Boston PB - Pearson/Addison-Wesley YR - 2004 UL - https://ds.mainlib.upd.edu.ph/Record/UP-99796217606763742 OP - 11 CN - QA 371 K85 2004 SN - 0321121643 KW - Differential equations. KW - Boundary value problem. ER -