Integral manifolds and the reduction principle in stability theory. IV
English version (Springer): Ukrainian Mathematical Journal 43 (1991), no. 12, pp 1582-1588.
Citation Example: Baris Ya. S., Lykova O. B. Integral manifolds and the reduction principle in stability theory. IV // Ukr. Mat. Zh. - 1991. - 43, № 12. - pp. 1696–1702.
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