@article{1178242644,
author = {Itagaki, Yoshio},
title = {The eigenfunction expansion of the symmetric operators associated with Gelfand triplet},
journal = {Tohoku Math. J. (2)},
volume = {23},
number = {4},
year = {1971},
pages = { 259-271},
language = {en},
url = {http://dml.mathdoc.fr/item/1178242644}
}
Itagaki, Yoshio. The eigenfunction expansion of the symmetric operators associated with Gelfand triplet. Tohoku Math. J. (2), Tome 23 (1971) no. 4, pp. 259-271. http://gdmltest.u-ga.fr/item/1178242644/