Reduction of a linear system of differential equations with a singular matrix multiplying the derivatives
English version (Springer): Ukrainian Mathematical Journal 32 (1980), no. 2, pp 89-94.
Citation Example: Reduction of a linear system of differential equations with a singular matrix multiplying the derivatives // Ukr. Mat. Zh. - 1980. - 32, № 2. - pp. 168 - 174.
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