@article{ARM_1978_14_3_a0,
     author = {Dal{\'\i}k, Josef},
     title = {An embedding problem and its application in linguistics},
     journal = {Archivum mathematicum},
     pages = {123--137},
     year = {1978},
     volume = {14},
     number = {3},
     mrnumber = {0521193},
     zbl = {0398.68029},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1978_14_3_a0/}
}