TY  - JOUR
AU  - Kulich, Ivan
TI  - Topology of the space of all $2$-dimensional Lie subalgebras of the Lie algebra ${\rm gl}(2;{\bf R})$
JO  - Mathematica slovaca
PY  - 1985
SP  - 3
EP  - 7
VL  - 35
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_1985__35_1_a0/
LA  - en
ID  - MASLO_1985__35_1_a0
ER  -