Weak solutions of differential equations in Hilbert space
English version (Springer): Ukrainian Mathematical Journal 33 (1981), no. 4, pp 392-396.
Citation Example: Gorbachuk M. L., Kashpirovskii A. I. Weak solutions of differential equations in Hilbert space // Ukr. Mat. Zh. - 1981. - 33, № 4. - pp. 513–518.
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