@article{CRMATH_2019__357_3_247_0,
     author = {Bochkov, Ivan},
     title = {Polynomial birth{\textendash}death processes and the second conjecture of {Valent}},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {247--251},
     publisher = {Elsevier},
     volume = {357},
     number = {3},
     year = {2019},
     doi = {10.1016/j.crma.2019.01.009},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2019.01.009/}
}