Selection Tests in Algebra for Mathematical Olympiads
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Mathematical Explorations for Young Minds
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The Indiana College Mathematics Competition (2001–2023)
Adam Coffman, Justin Gash, Rick Gillman & John Rickert
Selection Tests in Number Theory for Mathematical Olympiads
Corneliu Mănescu-Avram
Functional Analysis and Operator Theory
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An Excursion Through Partial Differential Equations
Svetlin G. Georgiev
More (Almost) Impossible Integrals, Sums, and Series
Cornel Ioan Vălean
Creative Puzzles to Ignite Your Mind
Shyam Sunder Gupta
Applying Power Series to Differential Equations
James Sochacki & Anthony Tongen
100+1 Problems in Advanced Calculus
Paolo Toni, Pier Domenico Lamberti & giacomo drago