E. S. Krasil’nikov, “Invariants of Framed Graphs and the Kadomtsev—Petviashvili Hierarchy”, Funct Anal Its Appl, 53:4 (2019), 250
Viet Anh Nguyen, “Explicit formulae for one-part double Hurwitz numbers with completed 3-cycles”, J. Algebr. Comb., 48:2 (2018), 307–323
П. Зограф, М. Казарян, “Рациональность перечисления карт и гиперкарт по роду”, Алгебра и анализ, 29:3 (2017), 23–33 ; P. Zograf, M. Kazarian, “Rationality in map and hypermap enumeration by genus”, St. Petersburg Math. J., 29:3 (2018), 439–445
S. M. Natanzon, A. Yu. Orlov, “BKP and projective Hurwitz numbers”, Lett. Math. Phys., 107:6 (2017), 1065–1109
A. Alexandrov, D. Lewanski, S. Shadrin, “Ramifications of Hurwitz theory, KP integrability and quantum curves”, J. High Energy Phys., 2016, no. 5, 124, 30 pp.