00390nam a22001337a 4500003000400000005001700004008004100021020001800062082001800080100002400098245008600122260002800208300002000236OSt20250903143935.0250903b        |||||||| |||| 00| 0 eng d  a9780367227029  a515.353bSA1I  aBagchi, Bijan Kumar  aPartial differential equations for mathematical physicistscBy Bijan Kumar Bagchi  aLondonbCrc pressc2020  ax; 224p.e224p.