@techreport{DalitzGroetschelLuegger1997, author = {Wolfgang Dalitz and Martin Gr{\"o}tschel and Joachim L{\"u}gger}, title = {Information Services for Mathematics in the Internet (Math-Net)}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {SC-97-25}, language = {eng}, year = {1997} }