00563nam a2200241 4500 DLU020011078 ##12/8/1999 eng 512 GR-M 512 GR-M Gray, Mary A Radical Approach to Algebra / Gray Mary Reading, Massachusetts : Addison-Wesley , 1970 VIII, 233 tr.; 24 cm. 7000 DLU False Administrator G A SH Thư viện Trường Đại học Đà Lạt
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