Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ICHIKAWA Masami and ANDO Shigenori and NAKANO Tadashi,A numerical method for subsonic unsteady lifting surface-BIS. Part 1 Formulation.,Aeronautical and Space Sciences Japan,00214663,THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES,1986,34,385,88-96,https://cir.nii.ac.jp/crid/1390282679481904640,https://doi.org/10.2322/jjsass1969.34.88