@article{oai:tsukuba.repo.nii.ac.jp:00041610,
 author = {MANFRIN, R.},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {},
 pages = {13--52},
 title = {Propagation of Analyticity in the C∞ Solutions of Quasi-Linear Weakly Hyperbolic Wave Equations},
 volume = {35},
 year = {2011}
}