@article{oai:nagoya.repo.nii.ac.jp:00031191,
 author = {Funahashi, Yasuyuki and Nomura, Takumi and Nakamura, Kahei},
 issue = {2},
 journal = {Memoirs of the Faculty of Engineering, Nagoya University},
 month = {Mar},
 pages = {189--249},
 title = {Optimal control of distributed parameter systems},
 volume = {21},
 year = {1970}
}