@article{2866,
author = {Tita, N.},
title = {$E\_{\phi ,\varphi }$ operators between normed spaces},
journal = {Portugaliae mathematica},
volume = {37},
year = {1978},
pages = {255-258},
zbl = {0466.47014},
mrnumber = {0633032},
language = {en},
url = {http://dml.mathdoc.fr/item/2866}
}
Tita, N. $E_{\phi ,\varphi }$ operators between normed spaces. Portugaliae mathematica, Tome 37 (1978) pp. 255-258. http://gdmltest.u-ga.fr/item/2866/