In 2011, how many papers did the authors of 'Design of structured dynamic output-feedback controllers for interconnected systems' publish?
Count the papers published by the authors of 'Design of structured dynamic output-feedback controllers for interconnected systems' in 2011.
SELECT DISTINCT (COUNT(?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/ijcon/SchulerLLA11> <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#yearOfPublication> '2011' }
<https://dblp.org/rec/journals/ijcon/SchulerLLA11>