@article{oai:tsukuba.repo.nii.ac.jp:00016082,
 author = {Mori, Makoto and Kowada, Masashi},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {1--14},
 title = {Relative free energy and its application to speed change model},
 volume = {5},
 year = {1981}
}