An inhomogeneous system of linear differential equations with irregular singular point
English version (Springer): Ukrainian Mathematical Journal 32 (1980), no. 6, pp 494-501.
Citation Example: Grigorenko V. K. An inhomogeneous system of linear differential equations with irregular singular point // Ukr. Mat. Zh. - 1980. - 32, № 6. - pp. 737–745.
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