@article{1077473102,
author = {Dennis, Joseph J. and Wall, H. S.},
title = {The limit-circle case for a positive definite
$J$ -fraction},
journal = {Duke Math. J.},
volume = {12},
number = {1},
year = {1945},
pages = { 255-273},
language = {en},
url = {http://dml.mathdoc.fr/item/1077473102}
}
Dennis, Joseph J.; Wall, H. S. The limit-circle case for a positive definite
$J$ -fraction. Duke Math. J., Tome 12 (1945) no. 1, pp. 255-273. http://gdmltest.u-ga.fr/item/1077473102/