@article{oai:ous.repo.nii.ac.jp:00002133, author = {榊原, 道夫 and Sakakihara, Michio}, journal = {岡山理科大学紀要. A, 自然科学, Bulletin of Okayama University of Science. A, Natural Sciences}, month = {Mar}, note = {P(論文)}, pages = {69--72}, title = {Secant type approach via approximation of logarithmic derivative}, volume = {52}, year = {2018}, yomi = {サカキハラ, ミチオ} }