000 00295nam a22000977a 4500
100 _aJeffreys, Harold
245 _aMethods of mathematical physics /
_cby Harold Jeffreys and Bertha Swirles
260 _aCambridge :
_bCambridge university press,
_c1962.
700 _aSwirles, Bertha
942 _cBK
999 _c526583
_d526583