1. Oscillatory and periodic solutions of delay differential equations with piecewise constant argument;Aftabizadeh,1987
2. A survey of differential equations with piecewise constant argument;Cooke,1991
3. Generalized Solutions of Functional Differential Equations;Wiener,1993
4. Models of vertically transmitted diseases with sequential-continuous dynamics;Busenberg,1982
5. On almost periodic solutions of a class of differential equations;Meisters,1959