q=3%5C%2B1+formalism+in+general+relativity&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
3+1 Formalism in general relativity