Duality in QF-3 Rings.
Localizations in Categories of Modules. I.
On Algebras for which Every Faithful Representation is its Own Second Commutator.
Localizations in Categories of Modules. III.
Localization in categories of modules. II.
On generalizations of Borsuk's homotopy extension theorem
On shapes of topological spaces
Resolutions of spaces and proper inverse systems in shape theory
Paracompactness and product spaces
Čech cohomology and covering dimension for topological spaces
Character modules, submodules of a free module, and quasi-Frobenius rings.
P-embedding and product spaces
On injective modules.
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