@article{10_4064_ap_14_3_311_319,
     author = {J. Bla\.z and K. Zima},
     title = {\"Uber eine {Differentialungleichung} mit {Verz\"ogerung}},
     journal = {Annales Polonici Mathematici},
     pages = {311--319},
     publisher = {mathdoc},
     volume = {14},
     number = {3},
     year = {1963},
     doi = {10.4064/ap-14-3-311-319},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-14-3-311-319/}
}