@article{10_21136_CPM_1971_117720,
     author = {Kurzweil, Jaroslav},
     title = {On solutions of nonautonomous linear delayed differential equations, which are defined and exponentially bounded for $t \longrightarrow -\infty$},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {229--238},
     year = {1971},
     volume = {96},
     number = {3},
     doi = {10.21136/CPM.1971.117720},
     mrnumber = {0298164},
     zbl = {0218.34065},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1971.117720/}
}