@article{oai:repository.dl.itc.u-tokyo.ac.jp:00020979, author = {NAKAGIRI, Shigeru}, issue = {1}, journal = {生産研究}, month = {Jan}, note = {application/pdf}, pages = {25--28}, title = {研究速報 : Stability Analysis of Time Integration Operator in Problems of Visco-elastic Wave Propagation}, volume = {30}, year = {1978} }