@article{KYB_1989_25_1_a4,
     author = {Balachandran, Krishnan},
     title = {Nonlinear perturbations of quasi-linear delay control systems},
     journal = {Kybernetika},
     pages = {41--44},
     year = {1989},
     volume = {25},
     number = {1},
     mrnumber = {987856},
     zbl = {0661.93009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1989_25_1_a4/}
}