scholarly journals Singular Problems for Integro-differential Equations in Dynamic Insurance Models

Author(s):  
Tatiana Belkina ◽  
Nadezhda Konyukhova ◽  
Sergey Kurochkin
2012 ◽  
Vol 86 (2) ◽  
pp. 193-204 ◽  
Author(s):  
JUNTAO SUN ◽  
DONAL O’REGAN

AbstractIn this paper we study impulsive periodic solutions for second-order nonautonomous singular differential equations. Our proof is based on the mountain pass theorem. Some recent results in the literature are extended.


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