ABSTRACT
Abstracts Functional analysis is one of the wonderful inventions of our century. The invention is based on the ideas and results of the work of Vito Volterra. On the ground of Volterra's ideas recently arises a new branch of analyses, the so called "equations with aftereffect" particular cases of which are known as ordinary, delay and integro differential equations. A special chapter of the branch is devoted to a new approach to investigation of some asymptotic behavior of solutions, in that number to the problem of stability.
