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1
by Andreescu, Titu, Mortici, Cristinel, Tetiva, Marian
Published 2017
Springer New York
“... problems by making connections between various concepts and ideas from different areas of mathematics...”
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2
by Gelca, Razvan, Andreescu, Titu
Published 2007
Springer New York
“... as a study guide for the Putnam exam, as a text for many different problem-solving courses, and as a...”
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3
by Gelca, Răzvan, Andreescu, Titu
Published 2017
Springer International Publishing