@book{Coxeter-1989-geometry,
  mrnumber = {MR990644 (90a:51001)},
  author = {Coxeter, Harold S. M.},
  mrclass = {51-01 (53-01)},
  note = {Reprint of the 1969 edition},
  series = {Wiley Classics Library},
  address = {New York},
  title = {Introduction to geometry},
  isbn = {0-471-50458-0},
  publisher = {John Wiley \& Sons Inc.},
  year = {1989},
  pages = {xxii+469},
}