LEADER 00000nam 2200205 a 4500 001 0935601 003 UkHlHU 007 t 008 001508 1 1990 000 eng 040 UkHlHU 050 4 T/H 1990 Ph.D. Z6 100 0 Zhang, Feng Ling. 245 00 Separated-frames, H-closed frames and H-closed extensions of a frame. 260 |c1990. 300 149 leaves. 440 0 University of Hull.|pTheses.|pPure Mathematics 500 Only one copy of this thesis. 710 2 University of Hull.
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