@inproceedings{kn:kajler7,
   author = {Kajler, N.},
   title = {{Building a Computer Algebra Environment by Composition
        of Collaborative Tools}},
   Noaddress = {},
   editor =       "J. P. Fitch",
   volume =       "721",
   series =       "LNCS",
   pages =        "85--94",
   booktitle = {{Proc. of DISCO'92, Bath, GB}},
   year =         "1992",
   publisher = {{Springer-Verlag}},
   month = apr,
   note = {\Note{kn:kajler7}},
}