Kokotov, Alexey Max Planck Institute for Mathematics, Max Planck Society;
Korotkin, Dmitry Max Planck Institute for Mathematics, Max Planck Society;
Eynard, B., Kokotov, A., & Korotkin, D. (2005). 1/N^² correction to free energy in Hermitian two-matrix model. Letters in Mathematical Physics, 71(3), 199-207.