00351nam a2200121Ia 4500008004100000082001800041100002000059100001900079245007100098250001200169260003700181650001100218060110s9999 xx 000 0 und d a530.15bJEF/M aJEFFREY, Harold aSWIRLES,Bertha aMethods of mathematical physicscHarold Jeffrey and Bertha swirles a3rd Ed. bCambridge University Pressc1962 a530.15