@techreport{WulffHohmannDeuflhard1994, author = {Claudia Wulff and Andreas Hohmann and Peter Deuflhard}, title = {Numerical Continuation of Periodic Orbits with Symmetry.}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {SC-94-12}, language = {eng}, year = {1994} }