@article{00772770,
title = {On the Neumann operator of the arithmetical mean.},
journal = {Acta Mathematica Universitatis Comenianae. New Series},
volume = {61},
year = {1992},
pages = {143-165},
zbl = {0830.31004},
language = {en},
url = {http://dml.mathdoc.fr/item/00772770}
}
Král, J.; Medková, D. On the Neumann operator of the arithmetical mean.. Acta Mathematica Universitatis Comenianae. New Series, Tome 61 (1992) pp. 143-165. http://gdmltest.u-ga.fr/item/00772770/