@article{bwmeta1.element.bwnjournal-article-aav39i1p95bwm,
author = {Ponomarev, Paul},
title = {Class number formulas for quaternary quadratic forms},
journal = {Acta Arithmetica},
volume = {39},
year = {1981},
pages = {95-104},
zbl = {0464.10013},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav39i1p95bwm}
}
Ponomarev, Paul. Class number formulas for quaternary quadratic forms. Acta Arithmetica, Tome 39 (1981) pp. 95-104. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav39i1p95bwm/