TY  - JOUR
AU  - Richard Fleissner
TI  - On the product of derivatives
JO  - Fundamenta Mathematicae
PY  - 1975
SP  - 173
EP  - 178
VL  - 88
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-88-2-173-178/
DO  - 10.4064/fm-88-2-173-178
LA  - en
ID  - 10_4064_fm_88_2_173_178
ER  -