@article{120177, author = {Josef Srovnal}, title = {Two-parametric systems of three-dimensional spaces in a unimodular six-dimensional affine space}, journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica}, volume = {25}, year = {1986}, pages = {133-155}, zbl = {0639.53010}, mrnumber = {918372}, language = {en}, url = {http://dml.mathdoc.fr/item/120177} }
Srovnal, Josef. Two-parametric systems of three-dimensional spaces in a unimodular six-dimensional affine space. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 25 (1986) pp. 133-155. http://gdmltest.u-ga.fr/item/120177/
O bodové deformaci kongruencí rovin v pětirozměrném projektivním prostoru, Časopis pro pěstování matematiky, roč.97, str.151. | MR 0308968
Těorija kongruencij, Moskva 1950. (1950) | MR 0040753
Metod vněšnich form Kartana, Moskva 1948. (1948)
Projective differential geometry of line congruences, Praha 1965. (1965) | MR 0199806