@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033707, author = {Kanai, Kiyoshi and Yoshizawa, Shizuyo}, issue = {4}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Dec}, note = {application/pdf}, pages = {825--833}, title = {Some New Problems of Seismic Vibrations of a Structure. Part 1}, volume = {41}, year = {1963} }