@article{oai:fun.repo.nii.ac.jp:00002344, author = {Miyanaga, Yoshikazu and Miki, Nobuhiro and Nagai, Nobuo}, issue = {3}, journal = {IEEE Trans. ASSP}, month = {}, pages = {423--433}, title = {Adaptive Indentification of a Time-Varying ARMA Speech Model}, volume = {ASSP-34}, year = {1986} }