A. M. Zverkin

DIFFERENTIAL EQUATIONS WITH A PERTURBED ARGUMENT

A. M. Zverkin, G. A. Kemenskii, S. B. Norkin, 1962 .

Book reviewOrdinary differential equations: J. K. Hale, Intersci. Publs. a division of John Wiley and Sons, Inc., New York, 1969. xvi + 332 pp☆

A. M. Zverkin, 1971 .