@article{MABA_1992_6_3_a9,
     author = {P. K. Pavlakos and I. G. Stratis},
     title = {Some {Remarks} on the {Periodicity} of {Solutions} for {Retarded} and {Partial} {Functional} {Differential} {Equations}},
     journal = {Mathematica balkanica},
     pages = {263},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {1992},
     url = {http://geodesic.mathdoc.fr/item/MABA_1992_6_3_a9/}
}