@article{oai:tsukuba.repo.nii.ac.jp:00016293,
 author = {Ehrlich, Paul E. and Yoon-Tae, Jung and Kim, Seon-Bu},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {239--256},
 title = {Constant scalar curvatures on warped product manifolds},
 volume = {20},
 year = {1996}
}