00469nam a22001577a 450000500170000002000180001710000210003524500830005626000340013930000100017349000280018365000240021165000220023570000260025770000280028320260206153300.0  a9783030774998  aJunghanns, Peter  aWeighted polynomial approximation and numerical methods for integral equations  aSwitzerlandbBirkhauserc2021  ax+658  aPathways in mathematics  aFunctional analysis  aIntegral operator  aMastroianni, Giuseppe  aNotarangelo, Incoronata