Mutual spectrum of commutating conjugate operators and correctness and stability criteria for differential-operator equations von Shklyar , A. Ya., Шкляр , А. Я.

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Well-posedness of the cauchy problem for complete second-order operator-differential equations von Shklyar, A. Ya., Шкляр, А. Я., Шкляр, А. Я.

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Correctness of the Cauchy problem for trinomial higher-order operator differential equations von Shklyar, A. Ya., Шкляр, А. Я., Шкляр, А. Я.

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