2017
Том 69
№ 9

All Issues

On a principle of duality

Krasnosel'skii M. A., Lifshitz E. A.

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Citation Example: Krasnosel'skii M. A., Lifshitz E. A. On a principle of duality // Ukr. Mat. Zh. - 1965. - 17, № 5. - pp. 119-122.

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