TY - BOOK T1 - Hill's equation T2 - Interscience tracts in pure and applied mathematics, no. 20 A1 - Magnus, Wilhelm 1907- A2 - Winkler, Stanley LA - English PP - New York PB - Interscience Pub. YR - 1966 UL - https://ds.mainlib.upd.edu.ph/Record/UP-99796217607157081 OP - 127 CN - QA 372 M34 KW - Differential equations, Linear. ER -