RecordDetails
http://catdir.loc.gov/catdir/toc/els031/84012469.html
http://www.gbv.de/dms/bowker/toc/9780123363800.pdf
http://digitool.hbz-nrw.de:1801/webclient/DeliveryManager?pid=2368497&custom_att_2=simple_viewer
http://catdir.loc.gov/catdir/description/els032/84012469.html
http://www.zentralblatt-math.org/zmath/en/search/?an=0666.62002