%0 Journal Article
%A Carlos Lizama
%T On Positive Strongly Continuous Cosine Functions
%J Mathematica balkanica
%D 1990
%P 43
%V 4
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MABA_1990_4_1_a5/
%F MABA_1990_4_1_a5