@article{GDZPPN002232820,
title = {Strong Band sum and dichromatic invariants.},
journal = {Manuscripta mathematica},
volume = {76},
year = {1992},
pages = {237-252},
zbl = {0751.57003},
url = {http://dml.mathdoc.fr/item/GDZPPN002232820}
}
Kaiser, Uwe. Strong Band sum and dichromatic invariants.. Manuscripta mathematica, Tome 76 (1992) pp. 237-252. http://gdmltest.u-ga.fr/item/GDZPPN002232820/