scholarly journals Periodic boundary value problem for second order functional differential equations

2000 ◽  
Vol 1 (1) ◽  
pp. 63 ◽  
Author(s):  
Svatoslav Stanĕk
2017 ◽  
Vol 24 (1) ◽  
pp. 29-39 ◽  
Author(s):  
Eugene I. Bravyi

AbstractThe periodic boundary value problem for linear second order functional differential equations is considered. Sharp sufficient conditions for the positiveness of solutions are obtained.


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