On the lattice of matric-extensible radicals. II G. L. BoothH. France-Jackson OriginalPaper Pages: 187 - 199
Adjacency in subposets of the lattice of T1-topologies on a set Ofelia T. AlasSalvador HernándezRichard G. Wilson OriginalPaper Pages: 199 - 219
On the upper radical determined by filial rings M. FilipowiczE. R. Puczylowski OriginalPaper Pages: 227 - 236
The Jackson interpolation operator and construction of functions Tingfan XieXinlong Zhou OriginalPaper Pages: 237 - 247
On hyperspace topologies via distance functionals in quasi-metric spaces Jiling CaoJesús Rodríguez-López OriginalPaper Pages: 249 - 268