@article{CMUC_1970__11_2_a2,
     author = {Kol\'a\v{r}, Ivan},
     title = {Geometric objects of submanifolds of a space with fundamental {Lie} pseudogroup},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {227--234},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {1970},
     mrnumber = {0266081},
     zbl = {0197.48105},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1970__11_2_a2/}
}