Oscillation and Nonoscillation Criteria for Second Order Nonlinear Differential Equations, I
1993 ◽
Vol 179
(1)
◽
pp. 14-27
◽
1993 ◽
Vol 59
(2-3)
◽
pp. 101-115
2006 ◽
Vol 36
(2)
◽
pp. 203-219
◽
1998 ◽
Vol 194
(1)
◽
pp. 171-184
◽
2007 ◽
Vol 44
(6)
◽
pp. 1453-1467
2007 ◽
Vol 205
(1)
◽
pp. 231-238
◽