@article{10_4064_fm_85_3_257_276,
     author = {P. Bullen and S. Mukhopadhyay},
     title = {Relations between some general nth-order derivatives},
     journal = {Fundamenta Mathematicae},
     pages = {257--276},
     publisher = {mathdoc},
     volume = {85},
     number = {3},
     year = {1974},
     doi = {10.4064/fm-85-3-257-276},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-85-3-257-276/}
}