Academic Press, 1973. — 357 Pages. — (Mathematics in Science and Engineering, Volume 105). — ISBN: 0122377508
This book is a revised and substantially expanded edition of the well-known book of L. E. El’sgol’ts published under this same title by Nauka in 1964. Extensions of the theory of differential equations with deviating argument as well as the stimuli of developments within various fields of science and technology contribute t o the need for a new edition.
This theory in recent years has attracted the attention of vast numbers of researchers, interested both i n the theory and its applications.