@article{DBLP:journals/entcs/HubnerABM04,
  author    = {Malte H{\"u}bner and
               Serge Autexier and
               Christoph Benzm{\"u}ller and
               Andreas Meier},
  title     = {Interactive Theorem Proving with Tasks},
  journal   = {Electr. Notes Theor. Comput. Sci.},
  volume    = {103},
  year      = {2004},
  pages     = {161-181},
  ee        = {http://dx.doi.org/10.1016/j.entcs.2004.02.021},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}