_:nd3e42bf550ac4363be88a97c52732e27xb2
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/PostalAddress>
<https://ecmiindmath.org/2017/02/05/problems-proposed-by-airbus-sas-and-powerflute-companies/>