@article{ARM_1983__19_1_a1,
     author = {Singh, Bhagat and Kusano, Taka\^{s}i},
     title = {Forced oscillations in functional differential equations with deviating arguments},
     journal = {Archivum mathematicum},
     pages = {9--17},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {1983},
     mrnumber = {724305},
     zbl = {0532.34046},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1983__19_1_a1/}
}