query: #   
  
  SELECT ?author1 ?author1Label (count(?citing_work) AS ?number_of_citations)  (group_concat(?citing_work_label; separator=" \\\\ ") as ?citing_works)  WHERE {
    ?work wdt:P50 ?author1 .
    ?author1 wdt:P27 wd:Q35 .
    ?citing_work wdt:P2860 ?work .
    service wikibase:label { bd:serviceParam wikibase:language "en" . } 
    ?citing_work rdfs:label ?citing_work_label . filter (lang(?citing_work_label) = 'en')
  } 
  GROUP BY ?author1 ?author1Label
  ORDER BY DESC(?number_of_citations)
  