q=regularized+semigroups+and+non%5C-elliptic+differential+operators&searchType=standard&isFacet=true&view=standard&rows=10&sortWay=score&sortOrder=desc&curlibcode=NS&searchWay0=marc&logical0=AND
rows=10&curlibcode=NS&searchWay0=marc&logical0=AND
regularized semigroups and non-elliptic differential operators