@article{KUTGS_1975_8_a9,
     author = {V. B. Tret'yakov and L. E. Evtushik and N. V. Stepanov},
     title = {Reductive {Cartan} connection associated with the space of $m$-spreads over the support elements of second order contact},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {89--94},
     publisher = {mathdoc},
     volume = {8},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1975_8_a9/}
}