@article{CMUC_1970__11_2_a11,
     author = {\v{C}ih\'ak, Pavel},
     title = {Remarks on doubly substochastic rectangular matrices},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {385--391},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {1970},
     mrnumber = {0291197},
     zbl = {0205.05101},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1970__11_2_a11/}
}