@techreport{ChraparyDalitzNeunetal.2017, author = {Hagen Chrapary and Wolfgang Dalitz and Winfried Neun and Wolfram Sperber}, title = {Design, concepts, and state of the art of the swMATH service}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {17-11}, language = {eng}, year = {2017} }