Infinite-dimensional systems:  proceedings of the Conference on Operator Semigroups and Applications held in Retzhof (Styria), Austria, June 5-11, 1983/ 
edited by F. Kappel and W. Schappacher. 
 - Berlin:  Springer-Verlag,  1984. 
 - vii, 278 p. 
 - Lecture notes in mathematics;  1076. .
 - Lecture notes in mathematics (Springer-Verlag);  1076. .
<br/><br/><label>ISBN: </label>3540133763 
<br/><br/><label>Dewey Class. No.: </label>colm