@article{RO_2009__43_4_359_0,
     author = {Bedna\v{r}{\'\i}k, Du\v{s}an and Pastor, Karel},
     title = {Decrease of $C^{1,1}$ property in vector optimization},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {359--372},
     publisher = {EDP-Sciences},
     volume = {43},
     number = {4},
     year = {2009},
     doi = {10.1051/ro/2009023},
     mrnumber = {2573992},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ro/2009023/}
}