Petre Stoica, Thomas L. Marzetta. Parameter estimation problems with singular information matrices. IEEE Transactions on Signal Processing, 49(1):87-90, 2001. [doi]
@article{StoicaM01, title = {Parameter estimation problems with singular information matrices}, author = {Petre Stoica and Thomas L. Marzetta}, year = {2001}, doi = {10.1109/78.890346}, url = {http://dx.doi.org/10.1109/78.890346}, researchr = {https://researchr.org/publication/StoicaM01}, cites = {0}, citedby = {0}, journal = {IEEE Transactions on Signal Processing}, volume = {49}, number = {1}, pages = {87-90}, }