@article{oai:nagoya.repo.nii.ac.jp:00031387,
 author = {Ninomiya, Ichizo},
 issue = {2},
 journal = {Memoirs of the Faculty of Engineering, Nagoya University},
 month = {Aug},
 pages = {149--363},
 title = {A study of the structures of boolean functions and its application to the synthesis of switching circuits},
 volume = {13},
 year = {1962}
}