hep portal

Simply type in an arXiv ID, a DOI, an ADS bibcode, or a first author and an year.
(Click those links to see an example.)

Note that you do not need any syntax keyword. This means that you can simply copy and paste the citation from the paper you are reading. There's no need to format your query!!

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By Yao-Yuan Mao (2015-2016). Source code on Gist.