@article{GDZPPN002295334,
title = {Kommutative symmetrische Operatorenalgebren in Pontryaginschen R\"aumen II k.},
journal = {Mathematische Annalen},
volume = {161},
year = {1965},
pages = {147-171},
zbl = {0137.10303},
url = {http://dml.mathdoc.fr/item/GDZPPN002295334}
}
NAIMARK, M.A. Kommutative symmetrische Operatorenalgebren in Pontryaginschen Räumen II k.. Mathematische Annalen, Tome 161 (1965) pp. 147-171. http://gdmltest.u-ga.fr/item/GDZPPN002295334/