@article{1183504864,
author = {Beaumont, Ross A.},
title = {Projections of the prime-power abelian group of order $p^m$ and type $\left( {m - 1,1} \right)$},
journal = {Bull. Amer. Math. Soc.},
volume = {48},
number = {12},
year = {1942},
pages = { 866-870},
language = {en},
url = {http://dml.mathdoc.fr/item/1183504864}
}
Beaumont, Ross A. Projections of the prime-power abelian group of order $p^m$ and type $\left( {m - 1,1} \right)$. Bull. Amer. Math. Soc., Tome 48 (1942) no. 12, pp. 866-870. http://gdmltest.u-ga.fr/item/1183504864/