000 00379 a2200145 4500
020 _a07492203706
082 _a515.22
_bOPE
090 _c8695
_d12058
100 _aThe Open University
245 _aMathematics
_b a second level course
_bunit 2 symmetry
260 _bThe Open University
_c1991
_g1991
300 _a84p.
_c29cm
650 _aProperties of functions
942 _cL
999 _c37335
_d37335