@Book{Giorgi_2004_6246,
  author = {Giorgi, G. and Guerraggio, A. and Thierfelder, J.},
 month = {March},
 publisher = {Elsevier Science and Technology Books},
 title = {Mathematics of optimization: {S}mooth and nonsmooth case},
 year = {2004},
 title_with_no_special_chars = {Mathematics of Optimization Smooth and Nonsmooth Case}
}