Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
This book discusses new developments in Hyers-Ulam Stability of Ordinary Differential Equations which says that when a solution of differential equation satisfies an inequality in a neighbourhood of origin, then there exists another solution in the same neighbourhood which is very close to the said solution.