Bücher von Paul Erdos

Number theory, the branch of mathematics that studies the properties of the integers, is a repository of interesting and quite varied problems, sometimes impossibly difficult ones.

The authors' aim is to present a review of experimental and theoretical research that has been done to establish and to explain the physical properties of actinide compounds. We apologize to all researchers whose work has not been quoted. Lewis in the preparation of the manuscript, and the artwork and photo graphic work of Ms.