Existence theorem for a nonlinear free boundary-value problem
English version (Springer): Ukrainian Mathematical Journal 20 (1968), no. 1, pp 22-29.
Citation Example: Danilyuk I. I. Existence theorem for a nonlinear free boundary-value problem // Ukr. Mat. Zh. - 1968. - 20, № 1. - pp. 25–33.
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