http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=8145213&tstart=0#8145213 http://arxiv.org/pdf/gr-qc/9909014v1.pdf
Steve Carlip: "It is well known]]> Jan 25, 2013 4:52:32 AM Jan 25, 2013 4:52:32 AM pvalev@yahoo.com 0 http://mathforum.org/kb/thread.jspa?messageID=8138252&tstart=0#8138252 http://www.liferesearchuniversal.com/1984-17
"Doublethink means the]]> Jan 24, 2013 9:13:29 AM Jan 24, 2013 9:13:29 AM pvalev@yahoo.com 1 http://mathforum.org/kb/thread.jspa?messageID=8130864&tstart=0#8130864
Jan 23, 2013 1:10:51 PM Jan 23, 2013 1:10:51 PM pvalev@yahoo.com 2 http://mathforum.org/kb/thread.jspa?messageID=8122184&tstart=0#8122184
Jan 22, 2013 7:05:18 AM Jan 22, 2013 7:05:18 AM pvalev@yahoo.com 3