1220 Number theory problems
Amir H.P.
The J29 Project, 2012. - 165 с.This problem set is my main source for writing a book. It is nothing but a set of problems posted by active users of AoPS/MathLinks, and it will be a really good source for preparing for mathematical olympiads.Problems
Amir Hossein.
Andrew.
Goutham.
Orlando.
Valentin.
Darij.
Vesselin.
Gabriel.
April.
Arne.
Kunihiko.
Solutions
Amir Hossein.
Andrew.
Goutham.
Orlando.
Valentin.
Darij.
Vesselin.
Gabriel.
April.
Arne.
Kunihiko.
Solutions