@article{10_4153_CJM_1994_048_4,
     author = {Quinn, Terrance},
     title = {Products of {Decomposable} {Positive} {Operators}},
     journal = {Canadian journal of mathematics},
     pages = {854--871},
     year = {1994},
     volume = {46},
     number = {4},
     doi = {10.4153/CJM-1994-048-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1994-048-4/}
}