%0 Journal Article %A Ivan Bochkov %T Polynomial birth–death processes and the second conjecture of Valent %J Comptes Rendus. Mathématique %D 2019 %P 247-251 %V 357 %N 3 %I Elsevier %R 10.1016/j.crma.2019.01.009 %G en %F CRMATH_2019__357_3_247_0