@article{1102911443,
author = {Dijksma, A. and de Snoo, H. S. V.},
title = {Self-adjoint extensions of symmetric subspaces.},
journal = {Pacific J. Math.},
volume = {55},
number = {2},
year = {1974},
pages = { 71-100},
language = {en},
url = {http://dml.mathdoc.fr/item/1102911443}
}
Dijksma, A.; de Snoo, H. S. V. Self-adjoint extensions of symmetric subspaces.. Pacific J. Math., Tome 55 (1974) no. 2, pp. 71-100. http://gdmltest.u-ga.fr/item/1102911443/