**Ramadan, M.:** The influence of S-quasinormality of some subgroups of prime power order on the structure of finite groups 3–9

**Vattamány, Sz., Vincze, Cs.:** Two-dimensional Landsberg manifolds with vanishing Douglas tensor 11–26

**Kiss, G.:** Extremal Frobenius numbers in some special cases 27–31

**Szili, L.:** On the “good” nodes of weighted Lagrange interpolation for exponential weights 33–38

**Datta, S., Mathur, P.:** Modified weighted (0;0,2)-interpolation on infinite interval (–1/2,+1/2) 39–52

**Datta, S., Mathur, P.:** On modified weighted (0, 1, ..., r–2, r)-interpolation on an arbitrary system of nodes 53–64

**Datta, S., Mathur, P.:** A note on weighted (0,1,3)-interpolation on infinite interval (–1/2,+1/2) 65–81

**Huo, H-F., Li, W.:** Interval oscillation criteria for second order forced nonlinear differential equations with damping 83–93

**Cifre, M. A. H.:** Area-inradius and diameter-inradius relations for covering plane sets 95–105

**Bu, Qingying:** A characterization of adjoint 1-summing operators 107–113

**Hegedüs, Csaba J.:** Short proofs for the pseudoinverse in linear algebra 115–121

**Kemprasit, Y.:** Infinitely many bi-ideals which are not quasi-ideals in some transformation semigroups 123–128

**Dimov, I., Faragó, I., Havasi, Á., Zlatev, Z.:** L-commutativity of the operators in splitting methods for air pollution models 129–150

**Hegyvári, N.:** Thin complete subsequence 151–156

**Kozma, L., Peter, R., Varga, Cs.:** Warped product of Finsler manifolds 157–170

**Terlizzi, L. Di, Konderak, J., Pastore, A. M., Wolak, R.:** K-structures and foliations 171–182

**Baek, J.-Il, Liang, H.-Y.:** Convergence of moving average processes deduced by negatively associated random variables 183–198