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The present article gives a general discussion of the problems arising in a theory of elementary particles, together with a survey of papers1-6 that have been published on this subject in German periodicals. These papers deal with a special model for the theory of elementary particles that has been constructed to show some of the main features of such a theory; the author believes that the model does in fact represent a system of elementary particles and their interactions in a manner qualitatively suitable also for the real system of particles.
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W. Heisenberg (1957) studied this question.
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