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Ferrarotti, Flavio; González, Senén; Schewe, Klaus-Dieter; Torres, José Maria Turull (2022), "Uniform polylogarithmic space completeness", Frontiers in Computer Science, 4 845990, doi:10.3389/FCOMP.2022.845990
Book, Ronald V. (1976-02-01). "Translational lemmas, polynomial time, and (log n)j-space". Theoretical Computer Science. 1 (3): 215–226. doi:10.1016/0304-3975(76)90057-8. ISSN0304-3975.