Find the number of authors of the paper 'Guidance Vector Field Encoding based on Contraction Analysis'.
How many authors does 'Guidance Vector Field Encoding based on Contraction Analysis' have?
SELECT ?answer WHERE { <https://dblp.org/rec/conf/eucc/WuCJD18> <https://dblp.org/rdf/schema#numberOfCreators> ?answer }
<https://dblp.org/rec/conf/eucc/WuCJD18>