000 00257nam a22000977a 4500
100 _aZyganand, A
245 _aTrignometric series Vol 1-2 /
_cby A Zyganand
260 _aCambridge :
_bCambridge university press,
_c1959.
500 _aVol 1 Vol 2
942 _cBK
999 _c526595
_d526595