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100 1 _a"0, . "
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245 1 0 _alinear programming:
_b/
_c ..
250 _a1 ed.
260 _auk :
_bopen university
_c1972.
300 _a", 49p.;
_c29 cm."
490 0 _amathematics:a second level course
942 _2lcc
_cBK
999 _c28113
_d28113