@article{10_21136_CMJ_1968_100846,
     author = {Bene\v{s}, Jakub},
     title = {Projective deformation of line congruences in five-dimensional projective spaces},
     journal = {Czechoslovak Mathematical Journal},
     pages = {457--475},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {1968},
     doi = {10.21136/CMJ.1968.100846},
     mrnumber = {0236832},
     zbl = {0175.18704},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1968.100846/}
}