Mishra, A.Ray, A.Singh, T.2022-10-172022-10-172022Annals of Nuclear Energy, 2022. Vol. 173: pp. 1-9: Article no. 109071http://hdl.handle.net/123456789/251813754 bytestext/htmlenSimplified spherical harmonics (SPN)Generalized SPN (GSPN)Variational methodEven-parity angular fluxBoundary and interface conditionsLegendre polynomialPartial currentOn Simplified Spherical Harmonics (SPN) and Generalized SPN (GSPN) formulationsArticle