Immink G.K. <br/><br/>
Asimptotics of Analytic Difference Equations 
Immink G.K. 
 - Berlin  "Springer-Verlag"  1984 
 - 132 p. 
<br/><br/> Lectur. Notes in Math. Vol. 1085 
<br/><br/><label>Dewey Class. No.: </label>519.61