00375nam a22001457a 4500020001800000082001900018100002200037245006300059250001200122260003200134300001000166650001200176700002000188700002100208  a9789381269558  a530.15 bARF-M  a Arfken, George B  aMathematical methods for physicists: a comprehensive guide  a7th Ed.  aNew Delhi bElsevier c2018  a1205p  aPHYSICS  a Weber, Hans J   a Harris, Frank E