00331nam a2200121   450000500170000002000180001708400250003510000190006024500640007926000360014330000110017965000190019020260203110837.0  a9798888360569  2Colon Classification  aCooper, Xander  aTextbook of differential equations : evolutionary equations  aNew YorkbLarsen & Kellerc2023  avi+305  aHilbert spaces