[citation needed]
I just need to cite some sources for that algorithm...
No problem. We can find them online.
5 minutes later
Oookay... so it's from the 1950s, huh?
Might be tricky to find the whole paper, but here's the title, author and journal at least.
5 minutes later
Ooooh! There's an older proof? I wanna see it!
The paper's from the 19th century.
It's in Latin.
And we can't find the title anywhere.
No problem. We can find them online.
5 minutes later
Oookay... so it's from the 1950s, huh?
Might be tricky to find the whole paper, but here's the title, author and journal at least.
5 minutes later
Ooooh! There's an older proof? I wanna see it!
The paper's from the 19th century.
It's in Latin.
And we can't find the title anywhere.