@article{10_4064_cm_59_1_81_96,
     author = {H. Render},
     title = {Extreme positive operators on involution algebras},
     journal = {Colloquium Mathematicum},
     pages = {81--96},
     publisher = {mathdoc},
     volume = {59},
     number = {1},
     year = {1990},
     doi = {10.4064/cm-59-1-81-96},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-59-1-81-96/}
}