000			00344nam a2200157Ia 4500
001			15998
008			170722s9999 xx 000 0 und d
100			_aZygmund, A.
245			_aTrigonometric series /
250			_a2nd ed.
260			_c1959.
500			_a2
653			_aMathematics
653			_aSpherical Trigonometry
942			_cGEN
999			_c52436 _d52436