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

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

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

Winning solutions. di Lozansky, Edward

Theorems and counterexamples in mathematics di Gelbaum, Bernard R.

An outline of set theory di Henle, James M.

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