José L. Balcázar, Josep Díaz, Joaquim Gabarró. Examples of CFI-BI-immune and CF-levelable sets in logspace. Bulletin of the EATCS, 25:11-13, 1985.
@article{BalcazarDG85:0, title = {Examples of CFI-BI-immune and CF-levelable sets in logspace}, author = {José L. Balcázar and Josep Díaz and Joaquim Gabarró}, year = {1985}, researchr = {https://researchr.org/publication/BalcazarDG85%3A0}, cites = {0}, citedby = {0}, journal = {Bulletin of the EATCS}, volume = {25}, pages = {11-13}, }