@article{ Solr-acta32911, title = {Weighted Hardy spaces shift invariant and coinvariant subspaces, linear systems and operator model theory}, series = {Acta scientiarum mathematicarum}, author = {Ball Joseph A.}, year = {2013}, url = {http://acta.bibl.u-szeged.hu/32911/1/math_079_numb_003_004_623-686.pdf} }