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Jean Marcel Pallo An Algorithm to Compute the Möbius Function of the Rotation Lattice of Binary Trees. [Citation Graph (0, 0)][DBLP] ITA, 1993, v:27, n:4, pp:341-348 [Journal]

Viliam Geffert Sublogarithmic Sigma_{2}-Space is not Closed under Complement and Other Separation Results. [Citation Graph (0, 0)][DBLP] ITA, 1993, v:27, n:4, pp:349-366 [Journal]