@article{1029000801,
author = {Kim, C. W.},
title = {Approximations of doubly substochastic operators.},
journal = {Michigan Math. J.},
volume = {19},
number = {1},
year = {1972},
pages = { 83-95},
language = {en},
url = {http://dml.mathdoc.fr/item/1029000801}
}
Kim, C. W. Approximations of doubly substochastic operators.. Michigan Math. J., Tome 19 (1972) no. 1, pp. 83-95. http://gdmltest.u-ga.fr/item/1029000801/