References
- Burton , T. A. and Haddock , J. R. On the delay differential equations . J. Math. Anal. Appl , (to appear)
- Driver , R. D. , Sasser , D. W. and Slater , M. L. 1973 . The equation with “small” delay . Amer. Math. Monthly , 80 : 990 – 995 .
- Driver , R. D. 1976 . Linear differential systems with small delays, . J. Differential Equations , 21 : 148 – 166 .
- Gustafson , G. B. 1974 . Bounded oscillations of linear and nonlinear delay-differential . J. Math. Anal. Appl. , 46 : 175 – 189 .
- Kamenskii , G. A. 1963 . On the solutions of linear homogeneous second order differential . Argumentom Univ. Druzby Narodov Patrisa Lumumby , 2 : 82 – 93 . MR30 #3281.
- Ladas , G. 1977 . Oscillatory effects of retarded actions . J. Math. Anal Appl. , 60 : 410 – 416 .
- Ladas , G. and Lakshmikantham , V. 1973 . Oscillations caused by retarded actions . Applicable Analysis , 3 : 107 – 113 .
- Ladas , G. , Lakshmikantham , V. and Papadakis , J. S. 1972 . “ Oscillations of higher-order retarded differential equations generated by the retarded argument. ” . In Delay and Functional Differential Equations and their Applications , 219 – 231 . New York : Academic Press .
- Lillo , J. C. 1969 . Oscillatory solutions of . J. Differential Equations , 6 : 1 – 35 .
- McCalla C Zeros of the solutions of first order functional differential equations to appear
- Skubatsevskii , A. L. 1975 . On oscillatory solutions of a linear homogeneous differential equation of second order with retarded argument . Differencial'nye Uravnenija , 11 : 462 – 469 . (Russian)