000			00412nmm a2200133Ia 4500
008			230125s9999||||xx |||||||||||||||||und||
020			_a9783319198873
100			_aEllina Grigorieva
245		0	_aMethods of Solving Nonstandard Problems
250			_a1st ed. 2015
260			_bSpringer International Publishing _c2015
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-3-319-19887-3
999			_c6899 _d6899