@article{10_21136_CMJ_1990_102405,
     author = {Hust\'y, Zden\v{e}k},
     title = {Die h\"oheren {Ableitungen} zusammengesetzter {Funktion}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {528--533},
     publisher = {mathdoc},
     volume = {40},
     number = {3},
     year = {1990},
     doi = {10.21136/CMJ.1990.102405},
     mrnumber = {1065032},
     zbl = {0726.26003},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102405/}
}