Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Noureddine Boukli‐Hacene and Jacques Sombrin and Albert Papiernik,Approximation by Gegenbauer polynomials in the study of a rectangular ridged waveguide. Application to the analysis of a waveguide septum polarizer,"International Journal of Numerical Modelling: Electronic Networks, Devices and Fields",0894-3370,Wiley,2003-04-29,16,4,299-318,https://cir.nii.ac.jp/crid/1361418520145077376,https://doi.org/10.1002/jnm.500