000			00358nam a2200145Ia 4500
008			240819s9999 xx 000 0 und d
020			_a9781984637352
040			_aNORSU-Dum _cNORSU-Dum
082			_aRes/512.72/El2/2020
245		0	_aElementary number theory
260			_bNew York: 3G E-learning _c2020
942			_cBK
942			_yBK
999			_c51785 _d51785