@article{GDZPPN00234985X,
title = {Identities Connecting Elementary Divisor Functions of Different Degrees, and Allied Congruences.},
journal = {Mathematica Scandinavica},
volume = {24},
year = {1969},
pages = {102-110},
zbl = {0215.06901},
url = {http://dml.mathdoc.fr/item/GDZPPN00234985X}
}
Lahiri, D.B. Identities Connecting Elementary Divisor Functions of Different Degrees, and Allied Congruences.. Mathematica Scandinavica, Tome 24 (1969) pp. 102-110. http://gdmltest.u-ga.fr/item/GDZPPN00234985X/