N.D. Chentzov

titleISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
The USSR Olympiad Problem Book: Selected Problems and Theorems of Elementary Mathematics978-O-486-277O9-7
(O-486-277O9-7)
1993D. O. Shklarsky · N. N. Chentzov · I. M. Yaglom

D.C. · n/c · n.d.

N.D., Christopher Vasey