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- [7] ELEMENTARY PROPERTIES OF TORSION-FREE ABELIAN GROUPS CANADIAN MATHEMATICAL BULLETIN, 1966, 9 (03): : 399 - &
- [8] ELEMENTARY PROPERTIES OF FREE PRODUCTS - PRELIMINARY-REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1976, 23 (03): : A401 - A401
- [9] Elastic plastic numeric analysis of V-free bending of wide sheet Harbin Gongye Daxue Xuebao, 5 (133-136):