2 citations to https://www.mathnet.ru/rus/basm538

1. S. A. Dukhnovsky, “A self–similar solution and the tanh–function method for the kinetic Carleman system”, Bul. Acad. Ştiinţe Repub. Mold. Mat., 2022, no. 1, 99–110      
2. Sergey Dukhnovsky, “A self-similar solution for the two-dimensional Broadwell system via the Bateman equation”, Bul. Acad. Ştiinţe Repub. Mold. Mat., 2022, no. 3, 30–40