- Carl de Boor, A comment on Ewald Quak's ''About B-splines''
- Ewald Quak, About B-splines. Twenty answers to one question: What is the cubic B-spline for the knots -2,-1,0,1,2?
- A. Aleman, On some generalizations of convex sets and convex functions
- I. Maruşciac, On Fritz John type optimality criterion in multi-objective optimization
- Ding-Xuan Zhou, Wavelet transform, Toeplitz type operators and decomposition of functions on the upper half-plane
- O. Nevanlinna, On the numerical solutions of some Volterra equations on infinite intervals
- G. Avdelas, A. Hadjidimos, A. Yeyios, Some theoretical and computational results concerning the Accelerated Overrelaxation (AOR) method