Necessary and Sufficient Conditions for Oscillation of Second-Order Delay Differential Equations
Santra, Shyam Sundar
Necessary and Sufficient Conditions for Oscillation of Solutions to Second-Order Neutral Differential Equations with Impulses
Santra, Shyam Sundar
Necessary and Sufficient Conditions for Oscillatory and Asymptotic Behaviour of Solutions to Second-Order Nonlinear Neutral Differential Equations with Several Delays
Santra, Shyam Sundar