Unsolved problems in intuitive mathematics. Guy, Richard K.: 2490676

Unsolved problems in intuitive mathematics. Guy, Richard K.:

Unsolved problems in number theory Richard K. Guy. Unsolved problems in intuitiv

Analytic number theory Donald J. Newman. Graduate texts in mathematics 1 2499142

Unsolved Murders of the UK - 9781399032551

Vector-Valued Optimization: Problems in Control Theory (Mathematics in Science &

Engineering Mathematics: Programmes and Problems By K. A. Stroud. Third Edition

Multidimensional systems theory progress, directions and open problems in multid