olemus
ratsionaalarvu $r$ norm $|r|_p=p^{-c}$ , kus
$p$ on algarv,
$r=p^e\cdot\frac{a}{b}$ ,
$a$ ja $b$ on täisarvud, mis ei jagu $p$-ga
=
the norm of the rational number r
$|r|_p=p^{-c}$ , where
p is a prime,
$r=p^e\cdot\frac{a}{b}$ ,
a and b are integers not divisible by p


ülevaateid
https://mathworld.wolfram.com/p-adicNorm.html

https://www.dpmms.cam.ac.uk/~jat58/all.pdf

http://www.math.pitt.edu/~caw203/pdfs/Green--The_p-adic_numbers--UROP2018.pdf

vt ka
https://en.wikipedia.org/wiki/P-adic_order