@article{Rud:74a,
  journal = {IEEE Trans. Computers},
  volume = {C-23},
  title = {An algebraic approach to {B}oolean equations},
  author = {Rudeanu, Sergiu},
  year = {1974},
  fjournal = {Institute of Electrical and Electronics Engineers. Transactions on
              Computers},
  pages = {206--207},
}