@article{DOCMA_2009__14__a0,
     author = {Shalit, Orr and Solel, Baruch},
     title = {Subproduct systems},
     journal = {Documenta mathematica},
     pages = {801--868},
     publisher = {mathdoc},
     volume = {14},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2009__14__a0/}
}