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- [33] WHICH ABELIAN-GROUPS CAN BE FUNDAMENTAL GROUPS OF REGIONS IN EUCLIDEAN SPACES NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1972, 19 (01): : A216 - &
- [34] WHICH ABELIAN-GROUPS CAN BE FUNDAMENTAL GROUPS OF REGIONS IN EUCLIDEAN SPACES CANADIAN JOURNAL OF MATHEMATICS-JOURNAL CANADIEN DE MATHEMATIQUES, 1974, 26 (01): : 7 - 18
- [37] PREVARIETIES AND INTERTWINED COMPLETENESS OF LOCALLY CONVEX TOPOLOGICAL VECTOR-SPACES - PRELIMINARY REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1974, 21 (01): : A185 - A185
- [38] NUMBER OF K-FREE ABELIAN-GROUPS AND CARDINALITY OF EXT - PRELIMINARY-REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1976, 23 (04): : A426 - A426