Andreescu, Titu.
Mathematical Olympiad Challenges [electronic resource] / by Titu Andreescu, Răzvan Gelca. - Boston, MA : Birkhäuser Boston, 2009. - digital.
9780817646110
10.1007/978-0-8176-4611-0 doi
Mathematics.
Algebra.
Combinatorics.
Geometry.
Logic, Symbolic and mathematical.
Number theory.
Mathematics.
Mathematics, general.
Geometry.
Number Theory.
Algebra.
Mathematical Logic and Foundations.
Combinatorics.
QA1-939
510
Mathematical Olympiad Challenges [electronic resource] / by Titu Andreescu, Răzvan Gelca. - Boston, MA : Birkhäuser Boston, 2009. - digital.
9780817646110
10.1007/978-0-8176-4611-0 doi
Mathematics.
Algebra.
Combinatorics.
Geometry.
Logic, Symbolic and mathematical.
Number theory.
Mathematics.
Mathematics, general.
Geometry.
Number Theory.
Algebra.
Mathematical Logic and Foundations.
Combinatorics.
QA1-939
510