Oscillation theorems for second-order nonhomogeneous linear differential equations
1976 ◽
Vol 53
(3)
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pp. 550-553
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1996 ◽
Vol 9
(6)
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pp. 71-77
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1970 ◽
Vol 35
(2)
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pp. 337-343
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1986 ◽
Vol 98
(2)
◽
pp. 276-276
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1959 ◽
Vol 7
(3)
◽
pp. 306-310
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1973 ◽
Vol 6
(4)
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pp. 603-606
1986 ◽
Vol 17
(2)
◽
pp. 422-450
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1991 ◽
Vol 7
(4)
◽
pp. 354-359
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