A Cp-theory problem book topological and function spaces 著者: Tkachuk, V. V. (Vladimir Vladimirovich)

Available for University of the Philippines Diliman via SpringerLink. Click here to access

A sequence of problems on semigroups 著者: Neuberger, J. W. (John W.) 1934-

Available for University of the Philippines Diliman via SpringerLink. Click here to access

The IMO compendium a collection of problems suggested for the International Mathematical Olympiads,1959-2009 著者: Djukic, Dusan

Available for University of the Philippines Diliman via SpringerLink. Click here to access

Theory of stochastic processes with applications to financial mathematics and risk theory

Unsolved problems in number theory 著者: Guy, Richard K.

Winning solutions. 著者: Lozansky, Edward

Theorems and counterexamples in mathematics 著者: Gelbaum, Bernard R.

An outline of set theory 著者: Henle, James M.

Problem-solving through problems 著者: Larson, Loren C. 1937-