@article{10_21136_CMJ_1986_102115,
     author = {Korba\v{s}, J\'ulius},
     title = {On the {Stiefel-Whitney} classes and the span of real {Grassmannians}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {541--552},
     publisher = {mathdoc},
     volume = {36},
     number = {4},
     year = {1986},
     doi = {10.21136/CMJ.1986.102115},
     mrnumber = {863186},
     zbl = {0622.57018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102115/}
}