CABRAL, E.L.L.2014-07-302014-07-302014-07-302014-07-301996CABRAL, E.L.L. Hierarchical expansion method in the solution of the two group two dimensional neutron diffusion equation. <b>Revista Brasileira de Pesquisa e Desenvolvimento</b>, v. 1, n. 2, p. 50-59, 1996. DisponÃvel em: http://repositorio.ipen.br/handle/123456789/6438.0104-7698http://repositorio.ipen.br/handle/123456789/643850-59openAccessneutron diffusion equationnodal expansion methodneutron fluxHierarchical expansion method in the solution of the two group two dimensional neutron diffusion equationArtigo de periódico21