000 00401nmm a2200133Ia 4500
008 230125s9999||||xx |||||||||||||||||und||
020 _a9780817645618
100 _aTitu Andreescu, Dorin Andrica, Zuming Feng
245 0 _a104 Number Theory Problems
250 _a2007
260 _bBirkhäuser Boston
_c2007
650 _aMathematics and Statistics
856 _uhttps://doi.org/10.1007/978-0-8176-4561-8
999 _c4011
_d4011