A theorem on homeomorphisms for an elliptic differential expression and pseudodifferential boundary conditions
English version (Springer): Ukrainian Mathematical Journal 21 (1969), no. 2, pp 226-230.
Citation Example: Rushchitskaya S. O. A theorem on homeomorphisms for an elliptic differential expression and pseudodifferential boundary conditions // Ukr. Mat. Zh. - 1969. - 21, № 2. - pp. 268–273.
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