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

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

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

Winning solutions. Bằng Lozansky, Edward

Theorems and counterexamples in mathematics Bằng Gelbaum, Bernard R.

An outline of set theory Bằng Henle, James M.

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