@INPROCEEDINGS{Navara:Sofsem01,
  IS = { zkontrolovano 07 Dec 01 },
  author =       {Kreinovich, Vladik and Navara, Mirko and 
                  {\v Z}abokrtsk{\'y},Zden{\v e}k},
  language =     {},
  title =        {Constrained fuzzy arithmetic},
  e_title =      {Constrained fuzzy arithmetic},
        EDITOR = {P.~H{\'a}jek},
     BOOKTITLE = {Proceedings of Workshop on Soft Computing},
     PUBLISHER = {Comenius University},
  address =      {Bratislava, Slovakia},
  year =         {2001},
  month =        {November},
  day =          {24--30},
         PAGES = {1--3},
  workshop =     {Sofsem 2001},
  isbn =         {none},
  book_pages =   {114},
  venue =        {Pie{\v s}t'any, Slovakia},
  volume =      {},
  series =      {},
  number =      {},
  annote =       {},
  importance =   {0},
  authorship =   {33-33-33},
  note = {},
  keywords =     {},
  project =      {MSM 212300013},
}