@article {Via_Q_GLRT_TSP2011,
	title = {Generalized Likelihood Ratios for Testing the Properness of Quaternion {Gaussian} Vectors},
	journal = {IEEE Transactions on Signal Processing},
	volume = {59},
	number = {4},
	year = {2011},
	month = {April},
	pages = {1356{\textendash}1370},
	author = {V{\'\i}a, Javier and Palomar, Daniel P. and Vielva, Luis}
}
