40 Puzzles and Problems in Probability and Mathematical Statistics
Wolf Schwarz
A Problem Book in Real Analysis
Asuman G. Aksoy & Mohamed A. Khamsi
500 Examples and Problems of Applied Differential Equations
Ravi P. Agarwal, Simona Hodis & Donal O’Regan
Combinatorics
Pavle Mladenović
Problems and Theorems in Classical Set Theory
Péter Komjáth & Vilmos Totik
Graph Theory
Ralucca Gera, Teresa W. Haynes & Stephen T. Hedetniemi
Undergraduate Mathematics Competitions (1995–2016)
Volodymyr Brayman & Alexander Kukush
Graph Theory
Ralucca Gera, Stephen Hedetniemi & Craig Larson
University of Toronto Mathematics Competition (2001–2015)
Edward J. Barbeau
Analysis and Algebra on Differentiable Manifolds
Pedro M. Gadea, Jaime Muñoz Masqué & Ihor V. Mykytyuk