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Citation: L. Hella et al., HOW TO DEFINE A LINEAR ORDER ON FINITE-MODELS, Annals of pure and applied Logic, 87(3), 1997, pp. 241-267

Authors: HELLA L

Citation: L. Hella, LOGICAL HIERARCHIES IN PTIME, Information and computation, 129(1), 1996, pp. 1-19

Authors: HELLA L LUOSTO K VAANANEN J

Citation: L. Hella et al., THE HIERARCHY THEOREM FOR GENERALIZED QUANTIFIERS, The Journal of symbolic logic, 61(3), 1996, pp. 802-817

Authors: DAWAR A HELLA L

Citation: A. Dawar et L. Hella, THE EXPRESSIVE POWER OF FINITELY MANY GENERALIZED QUANTIFIERS, Information and computation, 123(2), 1995, pp. 172-184