S. Z. Stokalo, Operational methods and their development in the theory of linear differential equations with variable coefficients
Citation Example: Mitropolskiy Yu. A., Parasyuk O. S., Sokolov Yu. D. S. Z. Stokalo, Operational methods and their development in the theory of linear differential equations with variable coefficients // Ukr. Mat. Zh. - 1961. - 13, № 3. - pp. 116-117.
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