Algorithm for normal forms in nonlinear singularly perturbed systems with unstable spectrum
English version (Springer): Ukrainian Mathematical Journal 38 (1986), no. 4, pp 385-395.
Citation Example: Lomov S. A. Algorithm for normal forms in nonlinear singularly perturbed systems with unstable spectrum // Ukr. Mat. Zh. - 1986. - 38, № 4. - pp. 453–464.
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