@article{MS2_1976__39_166504,
     author = {Henry Kallioniemi},
     title = {On representation formulars for intermediate derivates.},
     journal = {Mathematica Scandinavica},
     pages = {315--326},
     publisher = {mathdoc},
     volume = {39},
     year = {1976},
     zbl = {0345.26007},
     url = {http://geodesic.mathdoc.fr/item/MS2_1976__39_166504/}
}