@article{GDZPPN002313073, title = {Operator-Valued Ultradistributions in the Spectral Theory.}, journal = {Mathematische Annalen}, volume = {219}, year = {1976}, pages = {1-12}, zbl = {0332.47016}, url = {http://dml.mathdoc.fr/item/GDZPPN002313073} }
Cioranescu, Ioana. Operator-Valued Ultradistributions in the Spectral Theory.. Mathematische Annalen, Tome 219 (1976) pp. 1-12. http://gdmltest.u-ga.fr/item/GDZPPN002313073/