@article{10_4064_fm_88_2_173_178,
     author = {Richard Fleissner},
     title = {On the product of derivatives},
     journal = {Fundamenta Mathematicae},
     pages = {173--178},
     publisher = {mathdoc},
     volume = {88},
     number = {2},
     year = {1975},
     doi = {10.4064/fm-88-2-173-178},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-88-2-173-178/}
}