1. Adrianov N.: An analog of the Harer–Zagier formula for unicellular bicolored maps. Funct. Anal. Appl. 31(3), 1–9 (1997)
2. Alexandrov, A., Mironov, A., Morozov, A., Natanzon, S.: On KP-integrable Hurwitz functions. (2014). arXiv:1405.1395
3. Ambjørn, J., Chekhov, L.: The matrix model for dessins d’enfants. (2014). arXiv:1404.4240
4. Belyi G.: On galois extensions of a maximal cyclotomic field. Math. USSR Izv. 14(2), 247–256 (1980)
5. Carrell, S.R., Chapuy, G.: Simple recurrence formulas to count maps on orientable surfaces. (2014). arXiv:1402.6300