01:4801:48, 14 August 2009diffhist−350
Alexander duality
Removed incorrectly copied and/or false statements. I don't know what the statement in spanier is so because I changed the statement I changed the reference.
01:4801:48, 14 August 2009diffhist−350
Alexander duality
Removed incorrectly copied and/or false statements. I don't know what the statement in spanier is so because I changed the statement I changed the reference.