A. R. Freedman, Richard E. Ladner. Space Bounds for Processing Contentless Inputs. J. Comput. Syst. Sci., 11(1):118-128, 1975.
@article{FreedmanL75, title = {Space Bounds for Processing Contentless Inputs}, author = {A. R. Freedman and Richard E. Ladner}, year = {1975}, tags = {e-science}, researchr = {https://researchr.org/publication/FreedmanL75}, cites = {0}, citedby = {0}, journal = {J. Comput. Syst. Sci.}, volume = {11}, number = {1}, pages = {118-128}, }