@article{GDZPPN002540088,
title = {Special arithmetic and geometric means preserve ...-like univalence},
journal = {Revista colombiana de matematicas},
volume = {12},
year = {1978},
pages = {83-90},
zbl = {0414.30010},
url = {http://dml.mathdoc.fr/item/GDZPPN002540088}
}
Bajpai, S. K. Special arithmetic and geometric means preserve ...-like univalence. Revista colombiana de matematicas, Tome 12 (1978) pp. 83-90. http://gdmltest.u-ga.fr/item/GDZPPN002540088/