**TOME 55 (103), No. 4, 2012****G.A. Afrouzi, A. Hadjian and S. Heidarkhani :**Multiplicity results for a class of two-point boundary value systems investigated via variational methods, p. 343-352**Nihal Bircan and Christian Pommerenke :**On Chebyshev polynomials and GL(2,ℤ/pℤ), p. 353-364**Themba Dube :**Extending and contracting maximal ideals in the function rings of pointfree topology, p. 365-374**Mario Maican :**On some quotients modulo non-reductive groups, p. 375-412**Arsham Borumand Saeid and Manijeh Pourkhatoun :**Obstinate filters in residuated lattices, p. 413-422**László Tóth :**On the number of cyclic subgroups of a finite Abelian group, p. 423-428**Sohail Zafar :**On approximately Cohen-Macaulay Binomial edge ideal, p. 429-442