@Article{Ferreire_JLT,
	author = {F. Ferreira and E. Sillekens and B. Karanov and R. Killey},
	title = {Digital back propagation via sub-band processing in spatial multiplexing systems},
	journal = {J. Lightw. Technol.},
	volume = {39},
	number = {4},
	pages = {1020-1026},
	month = Feb,
	year = {2021},
}