Elliptic operators of second order with an infinite number of variables
English version (Springer): Ukrainian Mathematical Journal 32 (1980), no. 3, pp 273-276.
Citation Example: Samoilenko V. G. Elliptic operators of second order with an infinite number of variables // Ukr. Mat. Zh. - 1980. - 32, № 3. - pp. 405 – 409.
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