TY  - JOUR
AU  - Bureš, Jarolím
AU  - Kaňka, Miloš
TI  - Some conditions for a surface in {$Esp 4$} to be a part of the sphere {$Ssp 2$}
JO  - Mathematica Bohemica
PY  - 1994
SP  - 367
EP  - 371
VL  - 119
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/MB.1994.126121/
DO  - 10.21136/MB.1994.126121
LA  - en
ID  - 10_21136_MB_1994_126121
ER  -