^ TTP18-018-Null tests from angular distributions in $D  \to P_1 P_2  l^+l^-$, $l=e,\mu$ decays  on and off peak^
|** Stefan de Boer, Gudrun Hiller **|
|**Phys.Rev. D98 (2018) no.3, 035041**|
| {{preprints:2018:ttp18-018.pdf|PDF}}  [[http://arxiv.org/abs/1805.08516|arXiv]]   |  
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