https://dspace.ctu.edu.vn/jspui/handle/123456789/107488 ISSN 0866-7179 Sun, 12 Apr 2026 12:18:14 GMT 2026-04-12T12:18:14Z https://dspace.ctu.edu.vn/jspui/handle/123456789/119000 Title: Vietnam Journal of Mathematic_2004_32_4 Authors: Vietnamese Academy of Science and Technology. Vietnam Mathematical Society Thu, 01 Jan 2004 00:00:00 GMT https://dspace.ctu.edu.vn/jspui/handle/123456789/119000 2004-01-01T00:00:00Z https://dspace.ctu.edu.vn/jspui/handle/123456789/108974 Title: Vietnam Journal of Mathematics_2005_No.2_Vol.33 Authors: Vietnam journal of Ma thematics Thu, 01 Jan 2004 00:00:00 GMT https://dspace.ctu.edu.vn/jspui/handle/123456789/108974 2004-01-01T00:00:00Z https://dspace.ctu.edu.vn/jspui/handle/123456789/108973 Title: Vietnam Journal of Mathematics_2004_No.3_Vol.32 Authors: Vietnam journal of Ma thematics Thu, 01 Jan 2004 00:00:00 GMT https://dspace.ctu.edu.vn/jspui/handle/123456789/108973 2004-01-01T00:00:00Z https://dspace.ctu.edu.vn/jspui/handle/123456789/108972 Title: Vietnam Journal of Mathematics_2004_No.2_Vol.32 Authors: Vietnam journal of Ma thematics Thu, 01 Jan 2004 00:00:00 GMT https://dspace.ctu.edu.vn/jspui/handle/123456789/108972 2004-01-01T00:00:00Z