Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Matsuhara M.,Analysis of the waveguide with loss or gain by the finite‐element method,I.E.I.C.E. Trans. (C),,,1988,71,10,1398,https://cir.nii.ac.jp/crid/1370861288795414528,