000			00319nam a2200133Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
040			_e5009704 _aMAIN
041			_aEnglish
082			_a530.15 J361M
100			_aJeffreys, Sir Horold
245		0	_aMethods of mathematical physics
300			_a709p p.
942			_cBK
999			_c10055 _d10055