@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/