@article{10_21136_CMJ_1983_101857,
     author = {W\k{e}grzynowski, Stefan},
     title = {Parallel and nonparallel $s$-structures on {Euclidean} spaces},
     journal = {Czechoslovak Mathematical Journal},
     pages = {76--94},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1983},
     doi = {10.21136/CMJ.1983.101857},
     mrnumber = {687419},
     zbl = {0546.53010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1983.101857/}
}