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

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

A sequence of problems on semigroups door 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 door 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 door Guy, Richard K.

Winning solutions. door Lozansky, Edward

Theorems and counterexamples in mathematics door Gelbaum, Bernard R.

An outline of set theory door Henle, James M.

Problem-solving through problems door Larson, Loren C. 1937-