Kuhnert, F.: Über ein Konvergenzprinzip bei Spektralzerlegungen.
(German) [On a convergence principle in spectral decomposition].
In:
General Topology and its Relations to Modern Analysis and Algebra.
Proceedings of the second Prague topological symposium, 1966.
Academia Publishing House of the Czechoslovak Academy of Sciences, Praha, 1967.
pp. 229-234