New results for the periodic boundary value problem for impulsive integro-differential equations
2007 ◽
Vol 193
(2)
◽
pp. 560-571
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1996 ◽
Vol 204
(1)
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pp. 65-73
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2002 ◽
Vol 138
(2)
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pp. 205-217
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2004 ◽
Vol 155
(3)
◽
pp. 709-726
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2011 ◽
Vol 47
(10)
◽
pp. 1426-1434
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