175-180 | Ultraproducts and the axiom of choice. Brunner, Norbert |
181-186 | Approximation relative to an ultra function. Narang, T. D. |
187-192 | Oscillatory behavior of iterative linear ordinary differential equations depends on their order. Neuman, František |
193-202 | Asymptotic behaviour of solutions of a linear differential equation. Rovder, Jozef |
203-210 | Regular and normal quantales. Paseka, Jan |
211-228 | Geometry of Lagrangean structures. II. Krupka, Demeter |
229-231 | News and notices. |