by Katsoprinakis, E. S., Nestoridis, V.
Published in Mathematische annalen (01.01.1994)

by Walker, W. J.
Published in BIT (01.06.1994)

by Gupta, B. L.
Published in Periodica mathematica Hungarica (01.03.1984)

by Avdonin, S.A., Ivanov, S.A.
Published in Sampling theory in signal and image processing (01.05.2009)

by Ahmad, M.K., Knaf, H., Lang, P.
Published in Sampling theory in signal and image processing (01.05.2009)