Title:
Computers and intractability : a guide to the theoy of NP-completeness
Author:
Garey, Michael R.
Contributer:
Johnson, David S.
Publisher:
New York :Freeman,
Year of publication:
1979
Pages:
340 S.
Type of Medium:
Book
URL:
http://www.zentralblatt-math.org/zmath/en/advanced/?q=an:0411.68039&format=complete