Csato, GDacorogna, BSil, S2018-11-082018-11-082018-11-08201810.1016/j.jfa.2017.10.006https://infoscience.epfl.ch/handle/20.500.14299/150705WOS:000417663800005On the best constant in Gaffney inequalitytext::journal::journal article::research article