@article{10_21136_CPM_1965_117536,
     author = {Cenkl, Bohumil},
     title = {On the $G$-structure of higher order},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {26--32},
     publisher = {mathdoc},
     volume = {090},
     number = {1},
     year = {1965},
     doi = {10.21136/CPM.1965.117536},
     mrnumber = {0192435},
     zbl = {0127.13002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1965.117536/}
}