00473nam a22001337a 450000500170000002000180001710000200003524500910005526000310014630000130017749000470019050000560023785600460029320260114111029.0  a9783319375670  aMoller, Manfred  aSpectral theory of operator pencils, hermite-biehler functions, and their applications  aNew YorkbBirkhauserc2015  axvii+412  aOperator theory: Advances and applications  aOperator theory: Advances and applications Vol. 246  uhttps://doi.org/10.1007/978-3-319-17070-1