@article{ARM_1993_29_3-4_a6,
     author = {\v{S}eda, Valter and Belohorec, \v{S}tefan},
     title = {A remark on second order functional-differential systems},
     journal = {Archivum mathematicum},
     pages = {169--176},
     year = {1993},
     volume = {29},
     number = {3-4},
     mrnumber = {1263119},
     zbl = {0804.34060},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1993_29_3-4_a6/}
}