Development of oscillation theory of the solutions of differential equations with retarded argument
English version (Springer): Ukrainian Mathematical Journal 29 (1977), no. 3, pp 235-244.
Citation Example: Mitropolskiy Yu. A., Shevelo V. N. Development of oscillation theory of the solutions of differential equations with retarded argument // Ukr. Mat. Zh. - 1977. - 29, № 3. - pp. 313–323.
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