1. J. L. Doob, “Discrete potential theory and boundaries,” J. Math. Mech., 8, 433–458 (1959).
2. A. V. Gnedin, “The representation of composition structures,” Ann. Probab., 25, No. 3, 1437–1450 (1997).
3. M. V. Karev and P. P. Nikitin, “The boundary of the refined Kingman graph,” Zap. Nauchn. Semin. POMI, 468, 58–74 (2018).
4. S. V. Kerov, “Combinatorial examples in the theory of AF-algebras,” Zap. Nauchn. Semin. LOMI, 172, 55–67 (1989).
5. S. Kerov, A. Okounkov, and G. Olshanski, “The boundary of the Young graph with Jack edge multiplicities,” Int. Math. Res. Not., 4, 173–199 (1998).