@article{IM_1981__65_142851,
     author = {Sorin Popa},
     title = {On a {Problem} of {R.V.} {Kadison} on {Maximal} {Abelian} {*-Subalgebras} in {Factors.}},
     journal = {Inventiones mathematicae},
     pages = {269--282},
     publisher = {mathdoc},
     volume = {65},
     year = {1981},
     zbl = {0481.46028},
     url = {http://geodesic.mathdoc.fr/item/IM_1981__65_142851/}
}