Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "SHIBAYAMA, Jun and MATSUBARA, Kenji and SEKIGUCHI, Minoru and YAMAUCHI, Junji and NAKANO, Hisamatsu",Efficient nonuniform schemes for paraxial and wide-angle finite-difference beam propagation methods,Journal of lightwave technology,07338724,IEEE,1999-04,,4,677-683,https://cir.nii.ac.jp/crid/1050301763594974976,https://doi.org/10.1109/50.754799