In which year were the first papers of the authors of 'Modified group method for mobility management' published?
When were the first papers of the authors of 'Modified group method for mobility management' published?
SELECT DISTINCT ?answer MIN(xsd:integer(?y)) AS ?y WHERE { <https://dblp.org/rec/journals/comcom/WengH00> <https://dblp.org/rdf/schema#authoredBy> ?answer . ?x <https://dblp.org/rdf/schema#authoredBy> ?answer . ?x <https://dblp.org/rdf/schema#yearOfPublication> ?y }
<https://dblp.org/rec/journals/comcom/WengH00>