@techreport{EulerEulerWolf2012, author = {Marianna Euler and Norbert Euler and Thomas Wolf}, title = {The Two-Component Camassa-Holm Equations CH(2,1) and CH(2,2): First-Order Integrating Factors and Conservation Laws}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {12-30}, language = {eng}, year = {2012} }