00435nam a2200169Ia 450000100060000000800410000602000150004704000130006208200210007510000180009624500650011425000080017926000440018730000110023154600070024265000160024955255140505s9999 xx 000 0 und d a0471044091 cPK-LaUMT aMAL 550.2bBOA-M aBoas, Mary L. aMathematical methods in the physical sciencescBoas, Mary L. a2nd aNew York,USA:bJohn Wiley & Sons,c1983 a793 p. aEN aMathematics