TY - BOOK TI - Infinite-Dimentional Systems. Proceedings of the Conference on Operator Semigroups and Applications held Retzhof(Styria), Austria, June 5-11, 1983. Edited by I.Kappel and W.Schappacher U1 - 51:061.2/3 PY - 1984/// CY - Berlin PB - "Springer-Verlag". N1 - Lectur. Notes in Math. Vol. 492 ER -