@phdthesis{oai:kumadai.repo.nii.ac.jp:00031706,
 author = {Yonemaru, Naoyuki and 米丸, 直之},
 month = {Mar},
 school = {熊本大学},
 title = {Study on direct detection of low-frequency gravitational waves with pulsar timing array},
 year = {2020},
 yomi = {ヨネマル, ナオユキ}
}