@article{10_21136_MB_1993_125928,
     author = {Vala, Josef},
     title = {Grassmann manifold $V\sp 4\sb 3$ in the projective space $P\sb 7$ with characteristics consisting of a quadric and two planes},
     journal = {Mathematica Bohemica},
     pages = {225--240},
     publisher = {mathdoc},
     volume = {118},
     number = {3},
     year = {1993},
     doi = {10.21136/MB.1993.125928},
     mrnumber = {1239117},
     zbl = {0854.53015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.1993.125928/}
}