Conservation of a bounded solution of the Riccati equation under a small perturbation
English version (Springer): Ukrainian Mathematical Journal 41 (1989), no. 7, pp 824-827.
Citation Example: Conservation of a bounded solution of the Riccati equation under a small perturbation // Ukr. Mat. Zh. - 1989. - 41, № 7. - pp. 965-969.
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