Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tsuburaya Tomonori and Okamoto Yoshifumi and Sato Shuji,Parallelization Performance of Preconditioned COMRTR Method Supported by Multicolor Ordering in Complex Symmetric Linear Systems Derived from Frequency-domain Electromagnetic Field Analysis using Edge-based Finite Element Method,IEEJ Transactions on Power and Energy,03854213,The Institute of Electrical Engineers of Japan,2015,135,12,765-773,https://cir.nii.ac.jp/crid/1390282679579584384,https://doi.org/10.1541/ieejpes.135.765