\Bibitem{Lyu24} \by A.~V.~Lyulintsev \paper Markov branching random walks on $\mathbf{Z}_+$. Approach using orthogonal polynomials. II \jour Teor. Veroyatnost. i Primenen. \yr 2024 \vol 69 \issue 3 \pages 439--458 \mathnet{http://mi.mathnet.ru/tvp5688} \crossref{https://doi.org/10.4213/tvp5688}