@book{1270, author = {Bazaraa, M. S. and Sherali, Hanif D.,}, title = {Nonlinear programming :}, publisher = {Wiley-Interscience,}, year = {c2006.}, address = {Hoboken, N.J. :}, edition = {3rd ed.}, url = {http://www.loc.gov/catdir/enhancements/fy0625/2005054230-d.html} }