TSYFRA, I. M. Groups of equivalency in the problems of neutron diffusion within heterogeneous medium. Geofizicheskiy Zhurnal, [S. l.], v. 32, n. 3, p. 78–85, 2010. DOI: 10.24028/gzh.0203-3100.v32i3.2010.117537. Disponível em: https://journals.uran.ua/geofizicheskiy/article/view/117537. Acesso em: 27 apr. 2024.