@article{EulerEulerWolf2013, 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}, journal = {Journal of Nonlinear Mathematical Physics}, volume = {19}, number = {1}, pages = {13 -- 22}, doi = {10.1142/S1402925112400025}, year = {2013}, }