@article{DalitzGroetschelWinczewski1998, author = {Dalitz, Wolfgang and Gr{\"o}tschel, Martin and Winczewski, Vincent}, title = {Mathe im Netz - Math-Net}, series = {DFN-Mitteilungen}, volume = {Heft 48}, journal = {DFN-Mitteilungen}, pages = {4 -- 6}, year = {1998}, language = {en} }