| Oscillation Criteria for Forced Second Order Mixed Type Quasilinear Delay Differential EquationsThandapani, E.; Murugadass, S.; Pinelas, Sandra
 Electronic Journal of Differential Equations, 73 (2010), 1-9 http://ejde.math.txstate.edu/Volumes/2010/73/murugadass.pdf
 
 
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