<http://webisa.webdatacommons.org/prov/131500981>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/452278899> .
<http://webisa.webdatacommons.org/452278899>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/452278899>	<http://www.w3.org/ns/prov#value>	"What about the more general case of studying p?? mod k for primes p and other powers ???" .
<http://webisa.webdatacommons.org/452278899>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mathoverflow.net> .