@article{10_4153_CMB_1988_044_4,
     author = {Tanahashi, K\^otar\^o and Tomiyama, Jun},
     title = {Indecomposable {Positive} {Maps} in {Matrix} {Algebras}},
     journal = {Canadian mathematical bulletin},
     pages = {308--317},
     year = {1988},
     volume = {31},
     number = {3},
     doi = {10.4153/CMB-1988-044-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1988-044-4/}
}