TY  - JOUR
AU  - Kowalski, Oldřich
TI  - The invariant classification of 3-dimensional linear subspaces of infinitesimal isometries of $E_3$
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1967
SP  - 635
EP  - 649
VL  - 8
IS  - 4
UR  - http://geodesic.mathdoc.fr/item/CMUC_1967_8_4_a2/
LA  - en
ID  - CMUC_1967_8_4_a2
ER  -