<http://caligraph.org/resource/Sitnikov_problem>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Classical_mechanics> .
<http://caligraph.org/resource/Sitnikov_problem>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Orbits> .
<http://caligraph.org/resource/Sitnikov_problem>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Sitnikov_problem> .
<http://caligraph.org/resource/Sitnikov_problem>	<http://www.w3.org/2000/01/rdf-schema#label>	"Sitnikov problem" .
<http://caligraph.org/resource/Sitnikov_problem>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Classical_mechanic> .
<http://caligraph.org/resource/Sitnikov_problem>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Sitnikov problem" .
<http://caligraph.org/resource/Sitnikov_problem>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Orbit> .
<http://caligraph.org/resource/Sitnikov_problem>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Sitnikov_problem>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_orbits> .