Linear Differential Equations with Variable Coefficients (asymptotic methods and criteria of stability and instability of solutions)
Citation Example: Mitropolskiy Yu. A., Shtokalo I. Z. Linear Differential Equations with Variable Coefficients (asymptotic methods and criteria of stability and instability of solutions) // Ukr. Mat. Zh. - 1960. - 12, № 4. - pp. 492 - 493.
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