@article{1077378808,
author = {McDonald, B. R.},
title = {Enumeration of classes of row equivalent matrices over a
principal ideal domain modulo $p\sp{n}$},
journal = {Duke Math. J.},
volume = {37},
number = {1},
year = {1970},
pages = { 163-169},
language = {en},
url = {http://dml.mathdoc.fr/item/1077378808}
}
McDonald, B. R. Enumeration of classes of row equivalent matrices over a
principal ideal domain modulo $p\sp{n}$. Duke Math. J., Tome 37 (1970) no. 1, pp. 163-169. http://gdmltest.u-ga.fr/item/1077378808/