TY  - JOUR
AU  - Thas, Charles
TI  - A theory on non-developable generalized ruled surfaces in the elliptic space $E^m$
JO  - Czechoslovak Mathematical Journal
PY  - 1984
SP  - 609
EP  - 618
VL  - 34
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1984.101987/
DO  - 10.21136/CMJ.1984.101987
LA  - en
ID  - 10_21136_CMJ_1984_101987
ER  -