@article{GDZPPN001250353,
title = {Corollaries of the A-H-V formula.},
journal = {Semigroup forum},
volume = {7},
year = {1974},
pages = {310-317},
zbl = {0299.55021},
url = {http://dml.mathdoc.fr/item/GDZPPN001250353}
}
Conner, P.E. Corollaries of the A-H-V formula.. Semigroup forum, Tome 7 (1974) pp. 310-317. http://gdmltest.u-ga.fr/item/GDZPPN001250353/