Kybic, J.Blu, T.Unser, M.2005-11-302005-11-302005-11-30200210.1109/TSP.2002.800391https://infoscience.epfl.ch/handle/20.500.14299/220694WOS:000177023100017390Generalized SamplingGeneralized Sampling: A Variational Approach—Part I: Theorytext::journal::journal article::research article