000 00341 a2200145 4500
020 _a0335142354
082 _a515.2432
_bOPE
090 _c8601
_d11887
100 _aThe Open University
245 _aUnit 3
_b power series
260 _aKeynes
_bThe Open University
_c1987
_g1987
300 _a52p.
_c30cm
650 _aAnalysis
942 _cL
999 _c37245
_d37245