@article{oai:u-ryukyu.repo.nii.ac.jp:02002001,
 author = {Nakao, Zensho and 仲尾, 善勝},
 issue = {30},
 journal = {琉球大学工学部紀要},
 note = {The elements of the four-element Galois field GF(4) are represented by concatenating two bits from left to right without any unused combinations: GF(4)={(0.0),(1.0),(0.1),(1.1)}. It is shown that all quaternary logic functions on GF(4) can be represented as vector-valued functions whose components are binary polynomial functions over the two-element Galois field GF(2)={0.1}. With this representation of quaternary logic functions, the design of corresponding logic circuits is reduced to that of the well-known Boolean circuits., 紀要論文},
 pages = {41--47},
 title = {Vector-Valued Representation of Quaternary Logic Functions}
}