@string{SODA04 = {Proceedings of the ACM-SIAM Symposium on Discrete
  Algorithms (SODA)}} 

@InProceedings{BKV04,
  author =       {C. Brito and E. Koutsoupias and S. Vaya},
  title =        {Competitive analysis of organization networks or multicast
acknowledgement: how much to wait?}, 
  booktitle =    SODA04,
  page =         {627--635},
  year =         2004,
  month =        {11--14 } # jan,
  address =      {New Orleans, Louisiana, USA},
}