^Oda, Tadao (2011), "The first hundred years of the Tohoku mathematical journal", Tohoku Mathematical Journal, Second Series, 63 (4): 461–470, doi:10.2748/tmj/1325886276, MR 2872951.
Further readingedit
Kümmerle, Harald (2018). "Hayashi Tsuruichi and the success of the Tôhoku Mathematical Journal as a publication". In Ogawa, T.; Morimoto, M. (eds.). Mathematics of Takebe Katahiro and History of Mathematics in East Asia. Advanced Studies in Pure Mathematics. Vol. 79. Tokyo: Mathematical Society of Japan. pp. 347–358.
External linksedit
The Extremal Chords of an Oval, by TSURUICHI HAYASHI, Sendai.
A Remark on the integral Equation solved by Mr. Hirakawa, by TSURUICHI HAYASHI in Sendai.