@article{WolfEfimovskaya2012, author = {Thomas Wolf and Olga Efimovskaya}, title = {On Integrability of the Kontsevich Non-Abelian ODE System}, journal = {Letters in Mathematical Physics}, volume = {100}, number = {2}, pages = {161 -- 170}, doi = {10.1007/s11005-011-0527-4}, year = {2012}, }