@article{701313,
title = {Symmetric $p$-normed space for $0<p<1$
},
booktitle = {Proceedings of the 11th Winter School on Abstract Analysis},
series = {GDML\_Books},
publisher = {Circolo Matematico di Palermo},
address = {Palermo},
year = {1984},
pages = {[209]-217},
mrnumber = {MR0744386},
zbl = {0571.46001},
url = {http://dml.mathdoc.fr/item/701313}
}
Popa, Nicolae. Symmetric $p$-normed space for $0Proceedings of the 11th Winter School on Abstract Analysis, GDML_Books, (1984), pp. [209]-217. http://gdmltest.u-ga.fr/item/701313/