000 00230nam a2200097 4500
245 _aRelations and functions
_cH.T. CKombe
100 _aCombe, H.T.
260 _aLondon
_bGinn
_c1970
300 _av, 183p.; 22cm.
082 _a511.3
_bCOM
999 _c20437
_d20437