@Book{CLO97,
   AUTHOR = {Cox, David and Little, John and O'Shea, Donal},
     TITLE = {Ideals, varieties, and algorithms},
    SERIES = {Undergraduate Texts in Mathematics},
   EDITION = {Second},
      NOTE = {An introduction to computational algebraic geometry and
              commutative algebra},
 PUBLISHER = {Springer-Verlag},
   ADDRESS = {New York},
      YEAR = {1997}
}

@book{gN02,
author          = "Gonzalo Navarro and Mathieu Raffinot",
title           = "Flexible Pattern Matching in Strings",
publisher       = "Cambridge University Press",
year            = "2002"
}
