@article {484,
	title = {Spatial interference shaping for underlay MIMO cognitive networks},
	journal = {Signal Processing},
	volume = {134},
	year = {2017},
	pages = {174-184},
	doi = {j.sigpro.2016.12.012},
	author = {Lameiro, Christian and Utschick, Wolfgang and Santamar{\'\i}a, Ignacio}
}
