共 50 条
- [1] On the utility of Robinson–Amitsur ultrafilters. III Periodica Mathematica Hungarica, 2022, 85 : 399 - 404
- [5] Principles governing the preparation of membranes having graded porosities. The properties of "gradocol" membranes as ultrafilters. TRANSACTIONS OF THE FARADAY SOCIETY, 1937, 33 (02): : 1094 - 1103
- [10] ULTRAFILTERS - SOME OLD AND SOME NEW RESULTS NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1976, 23 (03): : A388 - A388