000			00383nmm a2200133Ia 4500
008			230125s9999||||xx |||||||||||||||||und||
020			_a9783034805971
100			_aPablo Soberón
245		0	_aProblem-Solving Methods in Combinatorics
250			_a2013
260			_bSpringer Basel _c2013
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-3-0348-0597-1
999			_c8252 _d8252