Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@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/} }
Čihák, Pavel. Remarks on doubly substochastic rectangular matrices. Commentationes Mathematicae Universitatis Carolinae, Tome 11 (1970) no. 2, pp. 385-391. http://geodesic.mathdoc.fr/item/CMUC_1970__11_2_a11/