@article{DBLP:journals/jgo/BazanHN08,
author = {Fabi{\'a}n Flores Baz{\'a}n and
Elvira Hern{\'a}ndez and
Vicente Novo},
title = {Characterizing efficiency without linear structure: a unified
approach},
journal = {J. Global Optimization},
volume = {41},
number = {1},
year = {2008},
pages = {43-60},
ee = {http://dx.doi.org/10.1007/s10898-007-9165-x},
bibsource = {DBLP, http://dblp.uni-trier.de}
}