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// Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika
// Archive
Izv. Vyssh. Uchebn. Zaved. Mat.,
1964
Number 5,
Pages
91–94
(Mi ivm8647)
On the existence of upper and lower solutions of the Cauchy problem for a second-order differential equation
S. A. Pak
,
E. S. Čičkin
MSC:
34.04
Received:
21.01.1963
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Steklov Math. Inst. of RAS
, 2024
Fulltext:
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