%0 Journal Article
%A J. Kisyński
%T On cosine operator functions and one-parameter groups of operators
%J Studia Mathematica
%D 1972
%P 93-105
%V 44
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-44-1-93-105/
%R 10.4064/sm-44-1-93-105
%G en
%F 10_4064_sm_44_1_93_105